Password overview 1 Password overview Range Password Description Described in Installation / 2100 Setting all basic parameters (for Installation commissioning example time / date). instructions Network settings 2000 Input network addressing. Only for Installation units with touchscreen control. instructions Basic settings / user Setting of basic values ...
Introduction 2 Introduction 2.1 About this manual This service manual contains information needed by the service technician for professional and correct fault isolation, repair and maintenance of the unit. The service technician must also observe the contents of the installation instructions and the user manual. Target group Target group for this service manual is qualified personnel who are familiar with the technical functioning and operation of the unit.
Safety instructions 3 Safety instructions For servicing tasks, the service technician must be familiar with and observe regional regulations. In addition, the notes in the service manual must be observed. Organizational measures Risk of property damage and personal injury from lack of organizational measures •...
Component overview 4.2 Operating panel A2 Operating panel, complete with a On/Off switch (10020346) housing b Loudspeaker (10016690) c USB interface (10020348) Service instructions...
Component overview 4.4.2 Lower unit 2-M10 2-G24 2-G16 2-K20 1-K20 1- = Upper unit. 2-Lower = unit B4 Vapor sensor E1 Heating element G16 Circulation pump G24 Drain pump K12 Magnetic valve water vapor K20 Steaming unit elimination M10 Fan motor N1 Ethernet interface X1 Power connection Service instructions...
Service menu - appliance test 5 Service menu - appliance test 5.1 Service menu Description • Functional testing of individual components • Error analysis • Maintenance • Change basic settings • Software update The graphics shown may deviate due to changes and different software versions.
Service menu - appliance test 5.2 Appliance information Description Display of the appliance-specific information Software version Cookbook version Unit configuration Serial number Date of last CombiDoctor diagnosis. Contact data Overview Exiting the appliance Touch the Back field. information Service instructions...
Service menu - appliance test 5.3 Status overview Status 1 Heating circuit PWM: heat requirement in %. POS: power optimization system (option). Temperature sensors B1, B3, B5, B6, B7 are not present. Status 2 Climate control system, fan B14: Pressure switch on the DynaSteam unit PWM: heat requirement in %.
Service menu - appliance test Status 4 Miscellaneous K3: Not in use K10: Activation of the exhaust hood at high speed (option) B15: Reed contact switch K07, K13, K14: Not used Temperature sensors B1, B3, B5, B6, B7 are not present. 5.4 CombiDoctor Description The CombiDoctor offers an automatic check of the climate control and the WaveClean automatic cleaning.
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Service menu - appliance test Step 3 (heat output) 1. Check of heat output. Display switches to green = test successful. Display switches to red = test not successful. Check of on-site voltage supply. Check of heating element Check of solid-state relay Check of internal fuse for load circuit (depends on unit version).
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Service menu - appliance test Step 8 (WaveClean siphon pump) 1. Check of WaveClean siphon pump. Display switches to green = test successful. Display switches to red = test not successful. Check of siphon pump via relay test. A fault is present on the component or the control board.
Service menu - appliance test 5.5 Relay test Description Separate control of the relay. Testing the relay. Testing the connected components. Relays K1 and K16 are switched on permanently. INFORMATION A plurality of relays are switched on simultaneously. Overview Image: Relay test page 1 Image: Relay test page 2 Activating relay test Touch field of relay to be tested.
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Service menu - appliance test Relay overview Relay Connect Description Info Main contactor Q1 208V AC POS A 208V AC POS B 208V AC Not in use 208V AC Magnetic valve for water vapor 208V AC elimination K12 Siphon pump G24 208V AC Backup relay K6 208V AC...
Service menu - appliance test 5.6 WaveClean test Overview Description WaveClean test program for function check. Circulation pump Siphon pump Magnetic valve for water filling Door seal / leak tightness in door area Follow the instructions on the touch screen. INFORMATION The test is used exclusively for functional testing and not to clean the cooking chamber.
Service menu - appliance test 5.7 100°C + core temperature calibration Description Calibration for cooking chamber sensor and core temperature sensor. Testing the calibration. Performing the calibration. The cooking chamber sensor and core temperature sensor calibration is performed in one step. The units are factory calibrated.
Service menu - appliance test 5.7.1 Check calibration Prerequisite Calibrated digital temperature measurement device. The temperature in the cooking chamber is < 100°C. Fix internal core temperature sensor and temperature sensor of external measurement device in the cooking chamber. Use a grill rack for this. Point the sensor tips upward in order to prevent measurement errors.
Service menu - appliance test 5.7.2 Calibrate cooking chamber sensor Prerequisite Execute Check calibration and do not switch appliance off. (see „5.7.1 Check calibration‟, Page 25) Temperature display on the touch screen indicates 100°C. Calibration Adjust offset value by adjusting the roller. Let 10 minutes adjustment time elapse.
Service menu - appliance test 5.8 DynaSteam test Description The DynaSteam test allows the function test of the DynaSteam steaming unit. Calibration of the steaming unit is not possible / necessary. Prerequisite Access to the water supply pipe in the cooking chamber. Remove both hook-in points.
Service menu - appliance test 5.9 Emptying the water Description Water drainage removes water residue from the unit to prevent frost damage during transport and idle period. Requirement Both water connections are connected to compressed air. The pressure may not exceed 6 bar. The cooking chamber temperature is <...
Service menu - appliance test 5.11 Audio settings Overview Setting the volume Set the desired volume using the sliders. Touch the "OK" field. Changes saved. Canceling the selection Touch the "Back" field. Service instructions...
Service menu - appliance test 5.12 Select signal tones Set signal tones Set the profile by adjusting the rollers. Tap the "OK" field. Changes saved. Canceling the selection Tap the "Back" field. 5.13 POS activation Description Software activation for the optional connection to a customer-supplied performance optimization system.
Service menu - appliance test 5.15 Software update Description Update of the software via the USB interface. Sounds, cookbooks, help texts and videos are not part of the software update. INFORMATION These require importing via "Importing additional content". Performing the update Perform according to instructions on the touch screen and description .
Service menu - appliance test 5.17 Restoring data Description Import function of parameters stored on the SD card. Importing is required after the operating panel or control board have been re- INFORMATION placed. Restoring data Perform according to instructions on the touchscreen. Touch the Confirmation field.
Service menu - appliance test 5.19 Water filter maintenance Description This function is available, but cannot be used on this unit. 5.20 Importing contact data Description Import of service contact data. This data can be accessed by the operator under "Equipment information". Preparing the data Perform according to instructions on the touchscreen.
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Service menu - appliance test In case of changes to the wiring, label or deposit note in the unit. INFORMATION Overview Assigning the backup relay Select the defective relay by means of the roller. Touch the "OK" field. Changes saved. Canceling the selection Touch the "Back"...
Service menu - appliance test 5.23 Settings parameters 5.23.1 Selecting and changing parameters Description Querying and setting additional parameters. Overview Selecting parameters Selecting parameters by adjusting the roller. Tap the "Read" field. Display of set parameters. Changing parameters Use the number block to set the desired values by tapping. Tap the "Write"...
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Service menu - appliance test Basic setting Standard Range of Explanation value adjustment Controls the cooking chamber 0-60 seconds lamp when closing the cooking chamber door Maximum power outage 100 s 90 – 600 Time within which the cooking program will duration for a warm start seconds continue after interruption of the power supply.
Service menu - appliance test 5.24 Backing up the SD card Description Export the data from the internal SD card and external USB stick. Backing up the SD card Perform according to instructions on the touchscreen. Touch the Confirmation field. Back-up of the data.
Status overview direct access 6 Status overview direct access Description Direct access in the status overview. Display of all processes and temperature in ongoing operation. Overview Calling up status overview Touch the invisible field three times quickly. Change of the display to the multi-page status overview . Exiting the status overview Touch the Back field.
Software 7 Software 7.1 Overview a USB port for top unit b USB port for bottom unit 7.2 Software update Update each of the two units separately. Two independent controls are in- INFORMATION volved. 7.2.1 Preparing the USB stick Prerequisite USB stick. Maximum size 32 GB.
Software 7.2.2 Performing the update The update can take up to 15 minutes. The software is restarted several times. INFORMATION Do not switch unit off. Insert the USB stick Switching on the unit Tap the "Unit functions" field. Display of Appliance functions menu. Tap the "Settings"...
Software 7.3 Importing additional content Import function for manufacturer contents: • Cookbook graphics • Help information • Sound files Update each of the two units separately. Two independent controls are in- INFORMATION volved. 7.3.1 Preparing the USB stick Prerequisite USB stick. Maximum size 32 GB.
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Software Enter password and touch Confirmation field. The password for the Settings menu is 111. Select the field "Import additional contents" on the left area of the menu by swiping. Tap the "Import additional contents" field. Tap the "OK" field. The data is imported.
Software 7.4 Importing the manufacturer's cookbook Update each of the two units separately. Two independent controls are in- INFORMATION volved. 7.4.1 Preparing the USB stick Prerequisite USB stick. Maximum size 32 GB. FAT formatting (default). The disk should be empty if possible. Create "FCImport"...
Trade show mode 8 Trade show mode Description Trade show mode allows appliance operation for demonstration purposes. Prerequisite A single-phase power supply is required for operation. Unit is connected to L3 and N. See also installation instructions. Calling up the selection Switch unit to "I"...
Electronics 9 Electronics 9.1 Block diagram for the control 24V AC 208V AC 24V DC +1-T1 +1-A3 24V DC +1-A1 +1-E3 +1-A2 24V DC 208 AC +1-M10 +1-T10 U/V/W 24V AC 208V AC 24V DC +2-T1 +2-A3 24V DC +2-A1 +2-E3 +2-A2 24V DC...
Electronics 9.2.2 Configuration Connector X1 Description Input 24 V DC for lighting Output 24 V DC for lighting Control board I/O voltage supply (24 V AC) Connector X5 CAN bus line to the motor M10 Connector X7 MMI communication Connector X8 Digital key contains device-specific information. Connector X9 (24V DC) Description 24 V DC supply for operating panel (MMI)
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Electronics Connector X17 (208V AC) Description Output K8, solenoid M8 N for solenoid M8 Connector X23 Description Output to upper or lower unit. "Unit On" message , 24 V DC Input from upper or lower unit. "Unit On" feedback, 24 V DC Connector X24 B1 core temperature sensor Connector X25 B2 cooking chamber sensor Connector X26 Not assigned...
Error messages 10 Error messages 10.1 Emergency operation Description In order to allows limited use in case of error, the appliance has various emergency programs. Emergency operation is activated automatically and displayed. After elimination of the error indicated, the controller switches back into regular operation automatically. A reset is not necessary.
Error messages 10.2 Cooking chamber sensor defective (694, 695) Description Emergency operation is activated automatically and displayed. The core temperature sensor takes over the function of the cooking chamber sensor. Cooking program with core temperature sensor is no longer available. Naming on the circuit diagram Troubleshooting...
Error messages 10.3 Core temperature sensor defective (699, 700) Description The core temperature sensor in the cooking chamber is deactivated. Location The core temperature sensor is in the front area of the cooking chamber. Naming on the circuit diagram Troubleshooting Dismount unit cover. Check contacting on control board A X24.
Error messages 10.4 Water vapor sensor defective (710) Description Emergency operation is activated automatically and displayed. The software controls the water vapor elimination. Location The water vapor sensor is on the rear side of the siphon. Naming on the circuit diagram Troubleshooting Unlatch and open the operating panel.
Error messages 10.5 Excess temperature in the cooking chamber (ID18, ID73) Description The measured temperature in the cooking chamber is outside the allowable range of more than 320°C. The unit is no longer operational until the cooking chamber cools down. The measurement is taken by the cooking chamber sensor, core temperature sensor and the moisture sensor.
Error messages 10.6 Overtemperature control (TMP_ID2) Description The temperature sensor on the control board is measuring a temperature of >75°C. The unit is no longer operational until it cools down. Troubleshooting Contact manufacturer. 10.7 Risk of frost (TMP_ID72) Description The unit is not ready for use. The temperature sensor on the control board is measuring a temperature of <0°C.
Error messages 10.8 Fan defective or temperature limiter triggered (702) 10.8.1 Overview a Fuse F1 6.3 A b Power board c Connector S300. Motor power d Connector S100. Power supply supply circuit board e Connector S500. CAN connection f Connector S501. Input for to control circuit board temperature switch from motor 10.8.2 Troubleshooting...
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Error messages Does the fault message appear only after a longer period of operation or at high temperatures? Switch unit on and measure voltage at main At 85°C in the area at the back, the unit de-energizes contactor Q1, terminals A1 and A2. Is voltage the main contactor Q1 via the thermal switch B0.
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Error messages Continued from previous page Does the fault appear only sporadically? Measure the input voltage on the power board. Is Replace communication cable between power board 230 V present? and control board for test purposes and perform test run. Switch unit on "I." Check whether the fault still appears.
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Error messages Continued from previous page Measure output voltage on power board. Is 230 V present? Power board defective. Replace communication cable between power board and control board for test purposes and perform test run. Switch unit on "I." Check whether the fault still appears.
Error messages 10.9 Fan defective. Cooking program was cancelled (701) Description The control board A1 does not receive any response via the CAN bus cable from power board T10. Troubleshooting 10.10 FAN_ID23: Fan error: Attempt to restart 10.10.1 Overview a Fuse F1 6.3 A b Power board c Connector S300.
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Error messages Switch off unit and restart. Is the fault still present? Replace communication cable between motor control and motor for test purposes and perform test run. Switch unit on "I." Error eliminated? Measure output voltages at connector S300. Is appox. 320 V DC present? No voltage present.
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Error messages 10.11.2 Troubleshooting Soft water connection attached and water valve at site open? Is the fault message displayed continuously? Connect water supply or open water valve. Check sieve on the water connection for soiling. To Check the on-site water pressure while observing do this, remove the on-site water connection to the nearby water consumers.
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Error messages 10.12.2 Troubleshooting Ensure customer-supplied water supply on the soft water connection of unit. The supply pressure on the water connection must be at least 2 bar. If the fault occurs sporadically, check the on-site water pressure while observing nearby water consumers. 10.13 Failure to access external EEPROM (SOF_ID12) 10.13.1 Description It is not possible to access the digital key (EEPROM).