should the door be left open when the convotherm is turned off at night, i have noticed a lot of condensation in the morning when the door is closed and water leaking out the base of it.

Summary of Contents for Welbilt Convotherm 4

Page 1 Combi Oven Convotherm 4 C4 floor-standing models Operating Manual UL, USA - Original, ENG Advancing Your Ambitions...
Page 3 FOR THE INSTALLER, OPERATOR, RESPONSIBLE OWNER FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors or liquids in the vicinity of this or any other unit. WARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury and death.
Page 5: Table Of Contents
Table of Contents Table of Contents General Environmental Protection Identifying Your Combi Oven Customer Documentation Structure About This Operating manual Safety Information That Must Be Read without Exception Configuration and Functions The Combi Oven's Functions The Combi Oven's Configuration and Functions Operating Panel Layout and Functions For Your Safety Basic Safety Instructions...
Page 6 Table of Contents General Operator-Aided Cleaning Process Instructions 5.3.1 How to Semi-Automatically Clean the Oven Cavity 5.3.2 How to Manually Clean the Oven Cavity 5.3.3 How to Clean the Oven Cavity Section Behind the Suction Panel 5.3.4 How to Clean the Double Glass Door 5.3.5 How to Clean the Hygienic Plug-In Gasket Thoroughly Specific Cleaning Instructions...
Page 7: General
1 General 1 General 1.1 Environmental Protection Policy statement Our customers’ expectations, the legal regulations and standards we have to follow, and our company’s reputation are what drives the quality and service behind all our products. Our environmental management policy is not only designed to ensure that we are always in full compliance with all environ- mental laws and regulations, but also reflects our commitment to the environment and to continuously improving our perform- ance in this field.
Page 8: Identifying Your Combi Oven
Nameplate layout and structure for electrical units Designation Unit name Combi Steamer Trade name Letters Meaning Convotherm 4 line of units easyTouch controls easyDial controls xx.yy numbers Unit size Electrical units with boiler Electrical units with water injection On units with NSF certification...
Page 9 Nameplate layout and structure for gas units Designation Unit name Combi Steamer Trade name Letters Meaning Convotherm 4 line of units easyTouch controls easyDial controls xx.yy numbers Unit size Gas unit with boiler Gas unit with water injection On units with NSF certification...
Page 10: Customer Documentation Structure
1 General 1.3 Customer Documentation Structure Unit documentation parts Document type Contents Installation manual Describes how to transport, set up, install, and put the unit into operation ■ Goes over all the hazards involved in the various installation activities and how to pre- ■...
Page 11: Safety Information That Must Be Read Without Exception
1 General 1.5 Safety Information That Must Be Read without Exception Safety information found in the documentation for the customer Only the installation manual and operating manual provide safety information for the combi oven. The installation manual provides safety information for the transportation, setup, installation, placing-into-operation, and re- moval-from-service tasks it describes.
Page 12: Configuration And Functions
2 Configuration and Functions 2 Configuration and Functions 2.1 The Combi Oven's Functions The Cooking Methods Your combi oven can be used to cook a variety of food, To do this, the combi oven can be run in any of the following cooking modes: Steam ■...
Page 13: The Combi Oven's Configuration And Functions
2 Configuration and Functions 2.2 The Combi Oven's Configuration and Functions Parts and functions (electrical units) The figure below shows a size 20.20 combi oven used as an example representing all electrical models: Designation Function Ventilation port Draws in ambient air in order to remove moisture from the oven cavity ■...
Page 14 2 Configuration and Functions Designation Function Recoil hand shower Meant exclusively for rinsing the oven cavity with water ■ (not included in certain units) Is retracted automatically into its holder after being used ■ Antibacterial ("HygieniCare") ■ Core temperature probe, sous Used to measure the food's internal temperature ■...
Page 15 2 Configuration and Functions Designation Function Oven cavity Is where food is placed while it is being cooked Integrated preheat bridge in unit Works as a safety element during pre-heating and reduces energy losses door Loading trolley Used to hold standard-size bakeware Loading trolley handle Bar used to move the loading trolley ■...
Page 16: Operating Panel Layout And Functions
2 Configuration and Functions 2.3 Operating Panel Layout and Functions Control panel layout and parts in easyTouch Designation Function Unit Used to turn the combi oven on and off ON/OFF switch USB port Used to plug in a USB stick Full-touch display The unit's central control interface Used by touching the icons on the full-touch dis-...
Page 17: For Your Safety
3 For Your Safety 3 For Your Safety Purpose of this section The purpose of this section is to provide you with all the information you will need in order to safely work with/on the combi oven without putting yourself and others at risk. Read this section very carefully! Basic Safety Instructions Purpose of these instructions...
Page 18: Your Combi Oven's Intended Use
3 For Your Safety Your Combi Oven's Intended Use The combi oven's intended use The combi oven has been designed and built exclusively for cooking a variety of food in standard-size bakeware (steam ■ table pans, sheet pans, etc.). Steam, convection, and combi-steam (steam superheated without pressure) are used for this purpose.
Page 19: Warning Labels On The Combi Oven
3 For Your Safety Warning Labels on the Combi Oven Warning label locations on the unit The figure below shows a size 20.20 electrical combi oven used as an example representing all floor-standing models: Required warning labels on the unit The following warning labels must always be clearly visible on the combi oven at the locations shown in the previous figure.
Page 20 3 For Your Safety Location Warning label Description CAUTION Surface(s) and Handle(s) may be hot. ATTENTION Surface(s) et poignée(s) chaudes Warning label locations on the loading trolley Loading trolley Required warning labels on the loading trolley The following warning labels must always be clearly visible on the loading trolley at the locations shown in the previous figures.
Page 21: General Hazards
3 For Your Safety General hazards General rules for working in the kitchen Generally speaking, kitchens can pose an extremely wide range of risks and hazards. Accordingly, make sure to always wear the required protective clothing in the kitchen, especially protective gloves when handling kitchenware. Following is a description of these hazards, their effects, and how they can be avoided.
Page 22 3 For Your Safety Contact with cleaning agents Cleaning agents are used in the kitchen. This can result in the following hazards: Skin, eye, and respiratory tract irritation hazard as a result of contact with cleaning agents and their vapors When? During all cleaning tasks ■...
Page 23: Hazards Posed By The Unit
3 For Your Safety Hazards posed by the unit General rules when using the unit The combi oven has been designed in such a way as to ensure that users will be protected from all hazards that can be reasonably prevented using design-based measures. However, the combi oven's intended use entails a series of residual risks that will require you to take precautions in order to avoid them.
Page 24 3 For Your Safety Danger areas (gas units) The figure below shows a size 20.20 combi oven used as an example representing all gas models: Safety hazard Location Proximity to flammable materials On top of the unit Leaking gas (not shown) Hot surfaces Air vent, dry air intake, exhaust outlet, unit door, oven cavity...
Page 25 3 For Your Safety Proximity to flammable materials Heat buildup inside the unit during cooking can result in the following hazards: Fire hazard posed by the unit's heat loss When? Whenever flammable materials, gases, or liquids are stored on the units ■...
Page 26 3 For Your Safety Hot liquids When putting food inside of the unit with the loading trolley, the following hazards can be posed together with hot liquids: Risk of scalding posed by hot liquids When? Whenever removing hot, liquid food from the oven ■...
Page 27 3 For Your Safety Contact with cleaning agents Cleaning the unit can pose the following hazards: Skin, eye, and respiratory tract irritation hazard as a result of contact with cleaning agents and their vapors When? Whenever the oven cavity is not cooled down sufficiently first ■...
Page 28 3 For Your Safety Break in the cold chain A break in the cold chain can pose the following hazards when consuming food: Risk of microbiological food contamination When? When the cooking process is manually interrupted ■ When the food's cold chain is broken by putting the food in the oven cavity prematurely ■...
Page 29: Safety Devices
3 For Your Safety Safety Devices Meaning The combi oven features a series of safety devices and guards that protect the user from a variety of hazards. All safety devices and guards must be present, fully functional, and locked properly without exception when the combi oven is being used.
Page 30 3 For Your Safety Guard or safety device Function Check Disconnector Used to de-energize the unit during The operator does not need to check cleaning, repairs, and maintenance anything. (installed by work, as well as in hazardous situa- the customer) tions Gas shut-off device Used to disconnect the unit from the...
Page 31: Staff And Work Area Requirements
3 For Your Safety Staff and Work Area Requirements Staff requirements The table below specifies the qualifications needed for each role. Provided that they have the required qualifications, a single person can take over more than one role if necessary. Role Required qualifications Tasks...
Page 32: Personal Protective Equipment
3 For Your Safety Personal protective equipment Operation and Maintenance Task Tools used Personal Protective Equipment Placing food inside / taking None Wear appropriate work clothes for kitchen work as required by food out your country-specific standards and regulations, especially: Protective clothing ■...
Page 33: How To Cook With Your Combi Oven
4 How to Cook with Your Combi Oven 4 How to Cook with Your Combi Oven 4.1 Basic Guidelines for Putting Food Into the Combi Oven 4.1.1 Placing Bakeware in Size X.10 Units Steam table pans; half-size wire shelf, in U-rails (standard model) The following figure shows how to set up a steam table pan (12"...
Page 34: Placing Bakeware In Size X.20 Units
4 How to Cook with Your Combi Oven 4.1.2 Placing Bakeware in Size X.20 Units Steam table pans; full-size wire shelf, in U-rails (standard model) The following figure shows how to set up two steam table pans (12" x 20" x X") and a full-size wire shelf (20" x 26") in U-rails (standard model): Placement rules Bakeware and oven racks must be slid in BETWEEN the...
Page 35 4 How to Cook with Your Combi Oven Sheet pans, on L-rails (bakery model) The following figure shows how to set up a full-size sheet pan (18" x 26") and two half-size sheet pans (13" x 18") on L-rails (bakery model) in a rack in UL models: Placement rules The sheet pan must be slid all the way in on top of the L- ■...
Page 36: Combi Oven Loading Capacity
4 How to Cook with Your Combi Oven 4.1.3 Combi Oven Loading Capacity Maximum weight that can be placed inside the combi oven for cooking 12.20 20.10 20.20 Applies to standard-size bakeware (steam table pans, sheet pans etc.) Maximum load weight per unit [lbs] Maximum load weight per shelf [lbs]...
Page 37: General Cooking Instructions
4 How to Cook with Your Combi Oven 4.2 General Cooking Instructions 4.2.1 Turning the Combi Oven On and Off (Lighting Instructions) For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 38 4 How to Cook with Your Combi Oven Rules for safely running the unit In order to avoid hazards, follow the rules below when running the unit: Make sure to only use your hands when using the unit's controls (buttons, switches, touchscreens). ■...
Page 39: Cooking Procedures
4 How to Cook with Your Combi Oven 4.2.2 Cooking Procedures For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 40 4 How to Cook with Your Combi Oven Close the unit door. Start the cooking sequence. Wait until the cooking sequence is done. Once the cooking sequence is done, the unit will make a sound to let you know. Follow the software's prompts. Open the unit door.
Page 41: Specific Cooking Instructions
4 How to Cook with Your Combi Oven 4.3 Specific Cooking Instructions 4.3.1 Safely Opening and Closing the Unit Door For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 42 4 How to Cook with Your Combi Oven Slowly open the unit door. On units with a right-hinged door: Fully open the unit door. On units with a disappearing door: Slide the unit door backwards along the combi oven’s side. Safely closing the unit door On units with a right-hinged door: Push the unit door all the way to the cracked-open position.
Page 43: Placing Food Inside And Taking It Out (Standard Model)
■ Using a +3 Series loading trolley If you want to use a +3 Series loading trolley with a Convotherm 4 combi oven, there is an easy-to-use retrofit kit available from the manufacturer. Do not move +3 Series loading trolleys into Convotherm 4 combi ovens without first installing this retrofit kit. Doing so may...
Page 44 4 How to Cook with Your Combi Oven Putting food into the combi oven Lift the locking bar at the front of the loading trolley and swing it to the left side. Risk of scalding posed by hot liquids Make sure to slide the bakeware, sheet pans, and oven racks cor- ■...
Page 45 4 How to Cook with Your Combi Oven Open the unit door. Release the loading trolley's parking brakes. Place the loading trolley handle inside the guides at the front of the ■ loading trolley. (this step is not required on combi oven security models, as the loading trolley handle will already be a non-detachable part of the loading trolley).
Page 46 4 How to Cook with Your Combi Oven Slip the open end of the loading trolley handle onto the corresponding holder (recommended accessory) on one of the feet. Alternatively, put the loading trolley handle somewhere close to the unit where it will be easily seen. Do not, under any circumstance, put it on top of the unit! (this step is not required on combi oven security models, as the load- ing trolley handle will already be a non-detachable part of the loading...
Page 47 4 How to Cook with Your Combi Oven Taking food out Open the unit door. Place the loading trolley handle inside the guides at the front of the loading trolley. (This step is not required on combi oven security models, as the load- ing trolley handle will already be a non-detachable part of the loading trolley.) Release the loading trolley's parking brakes.
Page 48 4 How to Cook with Your Combi Oven Use the handle to pull the loading trolley out from the oven. For security model: Risk of burns due to high temperatures inside the oven cavity. This includes all parts that are or have been inside the oven cavi- ty during cooking Wear the required personal protective equipment.
Page 49: Placing Food Inside And Taking It Out (Bakery Model)
4 How to Cook with Your Combi Oven 4.3.3 Placing Food Inside and Taking It Out (Bakery Model) For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 50 4 How to Cook with Your Combi Oven Close and lock the opened locking bar. (This step does not apply to 20.10 unit sizes.) Open the unit door. Release the loading trolley's parking brakes. Operating Manual...
Page 51 4 How to Cook with Your Combi Oven Place the loading trolley handle inside the guides at the front of the ■ loading trolley. (this step is not required on combi oven security models, as the loading trolley handle will already be a non-detachable part of the loading trolley).
Page 52 4 How to Cook with Your Combi Oven Close the unit door. Lock the loading trolley casters' wheels. Operating Manual...
Page 53 4 How to Cook with Your Combi Oven Taking food out Open the unit door. Place the loading trolley handle inside the guides at the front of the loading trolley. (This step is not required on combi oven security models, as the load- ing trolley handle will already be a non-detachable part of the loading trolley.) Release the loading trolley's parking brakes.
Page 54 4 How to Cook with Your Combi Oven Use the handle to pull the loading trolley out from the oven. For security model: Risk of burns due to high temperatures inside the oven cavity. This includes all parts that are or have been inside the oven cavi- ty during cooking Wear the required personal protective equipment.
Page 55: Putting Away And Removing The Core Temperature Probe
4 How to Cook with Your Combi Oven 4.3.4 Putting Away and Removing the Core Temperature Probe For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 56: Using The External Core Temperature Probe Or Sous Vide Probe
4 How to Cook with Your Combi Oven 4.3.5 Using the external core temperature probe or sous vide probe For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 57 4 How to Cook with Your Combi Oven Disconnecting and storing the external core temperature probe or sous vide probe Open the unit door. Risk of burns due to high temperatures inside the oven cavity. This includes all parts that are or have been inside the oven cavi- ty during cooking Wear the required personal protective equipment.
Page 58: Using A Usb Stick
4 How to Cook with Your Combi Oven 4.3.6 Using a USB Stick For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 59 4 How to Cook with Your Combi Oven Plugging in the USB stick for easyDial Open the USB port cover on the operating panel. Plug in the USB stick. If the USB stick is too big, use an adapter cable. Operating Manual...
Page 60: How To Clean The Combi Oven
5 How to Clean the Combi Oven 5 How to Clean the Combi Oven 5.1 Combi Oven Cleaning Basics 5.1.1 Cleaning Methods Cleaning Methods Cleaning Methods Description When to use Oven cleaning without clean- Is a fully automatic process in which the For cleaning very light soiling or eliminat- ■...
Page 61: Cleaning Agent Delivery For Fully Automatic Cleaning Processes
5 How to Clean the Combi Oven Cleaning Methods Description When to use With easyTouch only: Cleaning profile Oven cleaning using only For further cleaning after fully automatic or ■ ■ rinse aid from a connected ConvoCare semi-automatic oven cleaning if the latter canister or single-measure Is a fully automatic process in which the did not get rid of all soiling and impurities...
Page 62 5 How to Clean the Combi Oven Single-dose dispensing bottle software Single-dose dispensing bottle software setting ON setting OFF Oven cleaning with With easyTouch only: Cleaning profile The software offers this cleaning profile ■ ■ ConvoCare rinse aid only ConvoCare both for the canister option and for the sin- The software offers this cleaning profile gle-dose dispensing bottle option.
Page 63: Cleaning Schedule
5 How to Clean the Combi Oven 5.1.3 Cleaning schedule Overview The figure below shows a size 20.20 gas combi oven used as an example representing all models: Designation Outside of unit case Oven cavity hygienic plug-in gasket Double glass door Unit door Gasket above the preheat bridge Oven drain with strainer...
Page 64 5 How to Clean the Combi Oven What needs to be cleaned? Procedure Cleaning agent Condensate collecting tray on loading 'Emptying the Loading Trolley's Con- Common household dishwashing liquid ■ trolley densate Collecting Tray' on page Clean by hand using a soft, non- ■...
Page 65 5 How to Clean the Combi Oven What needs to be cleaned? Procedure Cleaning agents The loading trolley's frame (especially Clean by hand using a soft cloth and ConvoClean new or forte ■ the area around the condensate collect- cleaning agent ing tray) Thoroughly wipe clean with a soft ■...
Page 66: Cleaning Agents
5 How to Clean the Combi Oven 5.1.4 Cleaning agents Cleaning agent Only use the cleaning agents specified here when cleaning the combi oven and its accessories. Product Use for Container ConvoClean forte Oven cleaning Spray bottle For normal to heavy soiling By hand ■...
Page 67: Supplying Cleaning Agents
5 How to Clean the Combi Oven 5.1.5 Supplying Cleaning Agents Supplying Cleaning Agents Container Handling / Use Cleaning agents Spray bottle Never leave the spray bottle pressurized for an extended ConvoClean forte ■ ■ period of time if you are not using it. Slowly open the ConvoCare ■...
Page 68: General Fully Automatic Cleaning Process Instructions
5 How to Clean the Combi Oven 5.2 General Fully Automatic Cleaning Process Instructions 5.2.1 How to Fully Automatically Clean the Oven Cavity Using Canisters For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 69 5 How to Clean the Combi Oven Risk of scalding posed by hot steam Be ready for a bigger rush of steam than usual. ■ Have everyone around step back from the unit. ■ Slowly and carefully open the unit door. ■...
Page 70: How To Fully Automatically Clean The Oven Cavity Using The Single-Dose Dispensing Bottle
5 How to Clean the Combi Oven 5.2.2 How to Fully Automatically Clean the Oven Cavity Using the Single-dose Dispensing Bottle For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 71 5 How to Clean the Combi Oven Risk of scalding posed by hot steam Be ready for a bigger rush of steam than usual. ■ Have everyone around step back from the unit. ■ Slowly and carefully open the unit door. ■...
Page 72 5 How to Clean the Combi Oven Open the unit door. Add rinse aid from the single-measure dispensing bottles to the inside of the oven cavity. If necessary, remove the loading trolley from the oven cavity to do so and then slide it back in. Close the unit door.
Page 73 5 How to Clean the Combi Oven Add cleaning agent from the single-measure dispensing bottles to the inside of the oven cavity. If necessary, remove the loading trolley from the oven cavity to do so and then slide it back in. Close the unit door.
Page 74: How To Clean The Oven Cavity Without Using Cleaning Agents
5 How to Clean the Combi Oven 5.2.3 How to Clean the Oven Cavity Without Using Cleaning Agents For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 75: How To Clean The Oven Cavity Only Using Rinse Aid From Connected Canisters
5 How to Clean the Combi Oven 5.2.4 How to clean the oven cavity only using rinse aid from connected canisters For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 76: How To Clean The Oven Cavity Only Using Rinse Aid From Single-Dose Dispensing Bottles
5 How to Clean the Combi Oven 5.2.5 How to clean the oven cavity only using rinse aid from single-dose dispensing bottles For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 77 5 How to Clean the Combi Oven Close the unit door. Wait for the last cleaning phase to be done (approx. 10 minutes). Once the last cleaning phase is done, the unit will make an acoustic ■ signal to let you know. Follow the software's prompts.
Page 78: General Operator-Aided Cleaning Process Instructions
5 How to Clean the Combi Oven 5.3 General Operator-Aided Cleaning Process Instructions 5.3.1 How to Semi-Automatically Clean the Oven Cavity For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 79 5 How to Clean the Combi Oven Swing the suction panel towards the inside of the oven cavity. Spray the oven cavity, the suction panel, the area behind the suction panel, and the oven drain with the cleaning agent inside the spray bot- tle.
Page 80 5 How to Clean the Combi Oven Lock the suction panel back in place. Check to make sure that everything has been cleaned properly. The oven cavity should be visibly clean and should not give off any smells typical of food leftovers or cleaning agents. If additional cleaning is required, clean and rinse the oven cavity man- ually or by running a cleaning profile once again.
Page 81: How To Manually Clean The Oven Cavity
5 How to Clean the Combi Oven 5.3.2 How to Manually Clean the Oven Cavity For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 82 5 How to Clean the Combi Oven Check to make sure that the suction panel is installed properly: The suction panel is in place and locked into place at the top and ■ bottom. Leave the unit door ajar in order to let the oven cavity dry out. Operating Manual...
Page 83: How To Clean The Oven Cavity Section Behind The Suction Panel
5 How to Clean the Combi Oven 5.3.3 How to Clean the Oven Cavity Section Behind the Suction Panel For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 84: How To Clean The Double Glass Door
5 How to Clean the Combi Oven 5.3.4 How to Clean the Double Glass Door For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 85: How To Clean The Hygienic Plug-In Gasket Thoroughly
5 How to Clean the Combi Oven 5.3.5 How to Clean the Hygienic Plug-In Gasket Thoroughly For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 86: Specific Cleaning Instructions
5 How to Clean the Combi Oven 5.4 Specific Cleaning Instructions 5.4.1 Release the suction panel and lock it back in place For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 87 5 How to Clean the Combi Oven Releasing and swinging out the suction panel Release the four suction panel latches (upper, center lower) with the tool. Size 12.20 units will only have two latches (upper and lower). Swing the suction panel towards the inside of the oven cavity. Operating Manual...
Page 88 5 How to Clean the Combi Oven Locking the suction panel in place Follow the same steps used to release and swing out the suction pan- el, but in opposite order. Check to make sure that all four latches (upper, center, lower) are en- gaged.
Page 89: Removing And Installing The Hygienic Plug-In Gasket
5 How to Clean the Combi Oven 5.4.2 Removing and Installing the Hygienic Plug-In Gasket For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 90 5 How to Clean the Combi Oven Installing the hygienic plug-in gasket Start by putting the hygienic plug-in gasket back in place at all four corners. Start from one of the upper corners. Once all four corners are in place, meticulously press the hygienic plug-in gasket into the rest of the guide.
Page 91: Emptying The Loading Trolley's Condensate Collecting Tray
5 How to Clean the Combi Oven 5.4.3 Emptying the Loading Trolley's Condensate Collecting Tray For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 92 5 How to Clean the Combi Oven Emptying the condensate collecting tray into a sink drain or similar drain Pull the condensate collecting tray pan back a little. Slightly tilt the condensate drain pan as shown in the figure to the left so that you can pull it backwards beyond the stop.
Page 93: Releasing The Inner Glass Door And Locking It Back In Place
5 How to Clean the Combi Oven 5.4.4 Releasing the Inner Glass Door and Locking it Back in Place For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 94 5 How to Clean the Combi Oven Swing the inner pane out. Locking the inner glass door in place Follow the same steps used to release and swing out the inner glass door, but in opposite order. Check to make sure if the upper and lower spring clips are holding the inner glass correctly in position.
Page 95: Emptying And Cleaning The Grease Collection Canister (Convogrill Only)
5 How to Clean the Combi Oven 5.4.5 Emptying and Cleaning the Grease Collection Canister (ConvoGrill Only) For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 96: Replacing The Rinse Aid Canister
5 How to Clean the Combi Oven 5.4.6 Replacing the Rinse Aid Canister For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 97 5 How to Clean the Combi Oven Replacing the Rinse Aid Canister Risk of skin, eye, and respiratory tract irritation Do not let the rinse aid come into contact with your eyes, skin, or ■ mucous membranes. Do not inhale the rinse aid's vapors or mist. ■...
Page 98: Replacing The Cleaning Agent Canister
5 How to Clean the Combi Oven 5.4.7 Replacing the Cleaning Agent Canister For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 99 5 How to Clean the Combi Oven Put the new, full canister (1) containing cleaning agent in place. ■ Insert the (red) supply tube, together with the wand (2), into the full ■ canister (1) and screw it in place. Make sure that the tube is routed without any kinks and that the vent ■...
Page 100: Adding Cleaning Agent From Single-Measure Dispensing Bottles To The Inside Of The Oven Cavity
5 How to Clean the Combi Oven 5.4.8 Adding Cleaning Agent from Single-Measure Dispensing Bottles to the Inside of the Oven Cavity For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 101 5 How to Clean the Combi Oven Vertically push the bottle into the pointed tip at the center of the oven drain so that the tip will pierce the seal. Let the bottle sit vertically on the pointed tip for about 10 seconds so ■...
Page 102: How To Perform Maintenance On The Combi Oven
The unit's item number (please refer to 'Identifying Your Combi Oven' on page 8) ■ The unit's serial number (please refer to 'Identifying Your Combi Oven' on page 8) ■ Contact information for Convotherm in Germany Welbilt Deutschland GmbH Talstraße 35 82436 Eglfing Germany Headquarters...
Page 103: Warranty Information
6 How to Perform Maintenance on the Combi Oven 6.1.2 Warranty information Warranty information Warranty claims involving your combi oven will only be honored if the unit has been installed by a qualified service technician from an authorized service company as per the instructions in this installation manual. Please note that warranty claims will only be honored if the manufacturer has a copy of the fully completed checklist from the installation manual.
Page 104: Maintenance Schedule
6 How to Perform Maintenance on the Combi Oven 6.1.3 Maintenance Schedule Rules for maintaining the unit In order to be able to safely operate the combi oven, maintenance must be performed on it on a regular basis. This includes both maintenance work that can be performed by the operator and maintenance work that should be performed exclusively by a qualified service technician from an authorized service company (Customer Service).
Page 105: Troubleshooting
6 How to Perform Maintenance on the Combi Oven 6.2 Troubleshooting 6.2.1 Error codes Errors and required responses The following table lists the errors that you will be able to fix yourself under certain circumstances. If the combi oven keeps showing the error even after you attempt to fix it, contact Customer Service.
Page 106: Emergency Mode
6 How to Perform Maintenance on the Combi Oven 6.2.2 Emergency Mode Running the combi oven in emergency mode The combi oven features an emergency mode in order to allow you to keep using it if there is an error or fault that cannot be fixed right away.
Page 107 6 How to Perform Maintenance on the Combi Oven Error No. E Functions available in emergency mode Limitations / Procedure Hot air No boiler pre-heating E05.2.x ■ ■ Hot air Delta-T cooking Cleaning will not be possi- ■ ■ Hot air Cook&Hold ■...
Page 108 6 How to Perform Maintenance on the Combi Oven Error No. E Functions available in emergency mode Limitations / Procedure Hot air Cleaning will not be possible E28.2.1 ■ E28.2.3 Hot air Delta-T cooking ■ Hot air Cook&Hold ■ Smoker ■...
Page 109: Problems During Operation
6 How to Perform Maintenance on the Combi Oven 6.2.3 Problems During Operation Problems with the food being cooked Problem Possible cause Required response Irregular browning The suction panel is not closed properly 'Release the suction panel and lock it back in place' on page 86 The oven cavity is not pre-heated Pre-heat the oven cavity...
Page 110 6 How to Perform Maintenance on the Combi Oven Problems during cleaning Problem Possible cause Required response Black spots inside the oven cavity Wrong cleaning agent Use ConvoClean forte for fully auto- ■ matic oven cleaning with canisters Use ConvoClean forte S for fully au- ■...
Page 111: Maintenance Work
6 How to Perform Maintenance on the Combi Oven 6.3 Maintenance Work 6.3.1 Replacing the hygienic removable gasket For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 112: Replacing The Oven Light Halogen Lamp
6 How to Perform Maintenance on the Combi Oven 6.3.2 Replacing the oven light halogen lamp For your safety when working with/on the combi oven Before starting work, read and understand the rules, risks, and hazards specified in the 'For Your Safety on page 17' section and in these instructions and follow all the corresponding instructions without exception.
Page 113 6 How to Perform Maintenance on the Combi Oven Removing the halogen lamp Remove the four oven light hex screws using the socket wrench. Due to its design, the assembly consisting of the screws, bezel, glass pane, seal, and bracket will remain together when the screws are un- screwed.
Page 115 Order No. Additional technical documentation can be found in the download center at : www.convotherm.com Welbilt oﬀers fully-integrated kitchen systems and our products are backed by KitchenCare aftermarket parts and service. Welbilt’s portfolio of award- ® winning brands includes Cleveland™, Convotherm ®...

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