Frymaster UNIVERSAL HOLDING CABINET Service Manual
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Frymaster UNIVERSAL HOLDING CABINET Service Manual

Frymaster UNIVERSAL HOLDING CABINET Service Manual

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UNIVERSAL HOLDING CABINET (UHC)
MANUFACTURED BY
P.O. BOX 51000
SHREVEPORT, LOUISIANA
71135-1000
PHONE 1-318-865-1711
1-800-24 FRYER
Slot Temperature Display
Exiting Program Mode
Example of Production Selection Change
Diagnostic Tests
Appendix D: SOC for Universal Holding Cabinet
Appendix G: Typical Setups/Stacked Arrangements
Frymaster L.L.C., 8700 Line Avenue 71106, 5489 Campus Drive 71129
PRINTED IN THE UNITED STATES
SERVICE MANUAL
P.O. Box 51000, Shreveport, Louisiana 71135-1000
PHONE 318-865-1711
SERVICE HOTLINE 1-800-24-FRYER
FAX 318-219-7135
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819-5551A 10/00

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  • Page 1: Table Of Contents

    18-6 Appendix F: Quick Reference Guide 18-7 Appendix G: Typical Setups/Stacked Arrangements 18-8 Frymaster L.L.C., 8700 Line Avenue 71106, 5489 Campus Drive 71129 P.O. Box 51000, Shreveport, Louisiana 71135-1000 PHONE 318-865-1711 FAX 318-219-7135 PRINTED IN THE UNITED STATES SERVICE HOTLINE 1-800-24-FRYER...

  • Page 2: Universal Holding Cabinet

    C. If any parts, except fuses, become defective during the first year after installation date, Frymaster will also pay straight-time labor costs to replace the part, plus up to 100 miles/160 km of travel (50 miles/80 km each way).
  • Page 3 Parts orders may be placed directly with your local Frymaster Factory Authorized Service Center (FASC)/Distributor. A list of Frymaster FASC/Distributors was included with the cabinet when shipped from the factory. If you do not have access to this list, please contact the Frymaster Service Department at 1-800-24-FRYER or 1-318-865-1711.
  • Page 4 1.2 Product Trays There are 3 product tray sizes. See Appendices A and C for specific product volumes and recommended holding sizes and times. Use the tray that is designed for the specific product described below: A. 1/3-size plastic tray – Holds meat and egg products that are grilled (hamburger patties, bacon, eggs, sausage, etc.) There are two important procedures to remember when storing grilled products: •...
  • Page 5 Maneuvering the cabinet should be accomplished by at least two people. A. Carefully place the Universal Holding Cabinet on its right side (direction is determined with you facing the front of the unit), exposing the base of the cabinet.

  • Page 6: Power Up

    PROPERLY GROUNDED THREE-PRONG RECEPTACLE. DO NOT CUT OR REMOVE THE GROUNDING PRONG FROM THIS PLUG. B. Plug the Universal Holding Cabinet into the power source. C. Place the power switch in the ON position. All control displays will illuminate green approximately 2 seconds after the power switch is activated.

  • Page 7: Operational Overview

    3 Operational Overview The Universal Holding Cabinet (UHC) has either four slots that can hold up to three trays of product per slot or two slots, which hold up to three trays. Each slot has a controller that indicates the holding time and product selection for each tray position.

  • Page 8: Operator Mode

    4 Operator Mode Operator Mode is the normal operating mode of the controller when all slots are at the proper temperature and no alarm conditions exist. Product information and holding time is displayed. 4.1 Display of Product Information In Operator Mode the slot display indicates the following: 1.

  • Page 9: Timer Operation

    5 Timer Operation 5.1 Starting A Timer Press the Timer key above the tray position to start a timer. The timer will time down from a preset value and alternately display product selection and the holding time remaining. If more than one tray of a product selection is timing, the location of the product with the least remaining holding time is indicated by the Use First display status.
  • Page 10 5.3 Timing Out Time out indication alerts the operator that the product holding time has expired. When the holding time remaining reaches zero an audible alarm sounds and the display indicates -00- -00- -00- -00-. All other active displays in the cabinet will switch to the lowest intensity level until the audible alarm is turned off.
  • Page 11 5.4 Buffer Timer (cont.) When the "Use First" tray of a product is placed in the cabinet, the product timer is activated by pressing the corresponding timer key. The display immediately indicates the maximum holding time for the product and changes to Display Intensity three (brightest). If the timer key is pressed within 3 seconds of activating the timer, the product holding time will decrease by 5 minutes for each key press.

  • Page 12: Cook More Prompts

    6 Cook More Prompts The Cook More Prompts feature provides the operator with visual and audible notification that the last tray of a specific food product will be expiring soon and it is time to cook more. This feature is programmable, in one-minute increments, at the restaurant level.

  • Page 13: Switching Between Breakfast. Lunch, Clean Mode And Slot Off

    7 Switching Between Breakfast, Lunch, Clean Mode and Slot On/Off Pressing the MENU key scrolls the following information for each slot. 1. The inactive meal product selection (breakfast or lunch). 2. Clean Mode. 3. Slot On/Off status. Pressing the MENU key again returns the display to Operator Mode. 7.1 Selecting Breakfast and Lunch To establish the breakfast and/or lunch menu, determine the type and number of product tray(s) to use.
  • Page 14 7.1 Selecting Breakfast and Lunch (cont.) NOTE: Active timers will not change to the new meal selection until the timer(s) are stopped or timed out and reset. Active timer(s) are stopped by pressing the timer key. The Breakfast menu is the default at power up.
  • Page 15 Exit Clean Mode To exit Clean Mode press the MENU Key to display the Clean Mode message. Press ENTER to exit the Clean Mode and return to normal operation. The Slot will alternately display SLOT TEMP LOW and the product selection until the temperature is within normal operating limits. If the ENTER key is not pressed within 5 seconds the slot will return to the Clean Mode.
  • Page 16 Turning Slot On To turn a slot on, press the MENU key to scroll to the slot on message (TURN SLOT ON). Press the ENTER key to enter the selection and return to the Operator Mode. The slot alternately displays SLOT TEMP LOW and the product selection until the temperature is within normal operating limits.
  • Page 17 8 Displaying Slot Temperature Information (Temperature Key) Pressing the Temperature/ENTER/PAGE key scrolls the following temperature information for each slot. 1. Top plate temperature 2. Bottom plate temperature 3. Top plate setpoint 4. Bottom plate setpoint Pressing the ENTER key again will return the display to Operator Mode. The display will automatically return to Operator Mode if no key is pressed for 5 seconds.

  • Page 18: Temperature Alarms

    9 Temperature Alarms There are five temperature alarm functions: 1. High Temperature Alarm 2. Low Temperature Alarm 3. FDA Alarm 4. Sensor Alarm 5. Rise Time Alarm If alarm conditions occur an audible alarm will sound and the displays will alternately display the product selection and alarm message.
  • Page 19 9.2 Food and Drug Administration (FDA) Alarm The FDA Alarm indicates the slot temperature is below the preset limit to hold the product. The audible alarm will sound and the alarm message will read TEMP UNDR FDA. Active timers are automatically reset.
  • Page 20 9.5 Additional Out of Tolerance Displays 9.5.1 HHHH HHHH is the display indicates a sensor error. Service will be required to correct this condition. 9.5.2 LLLL LLLL in the display indicates either a sensor error or a slot that is below 50° F (10° C). Allow the slot to operate for 30 minutes.

  • Page 21: Product Selection

    10 Product Selection For Each Slot 10.1 Program Mode The following is the correct locations to program the slot controls based on the configuration of trays and products: • 1/3-size plastic tray – Since each slot can accommodate 3 trays, all displays can be programmed for a product.

  • Page 22: Page Selection

    10.2 Page Selection Each slot contains product selections for each meal (Breakfast or Lunch). To select the page press the PAGE key to scroll to the desired slot 1 – 4. To Select the Slot Page: ENTER PROG PROG PROG PROG MODE MODE...
  • Page 23 10.3 Meal Selection and Tray Position Pressing the MENU key scrolls the meal and tray position in the left and center displays. The current product selection is indicated in the right display. To Select the Meal and Tray Position: ENTER 1 1 1 1 SLOT SLOT...
  • Page 24 10.4 Product Selection The Up/Down arrow keys are used to scroll the available product selections for each meal and tray position. The product selected for the left tray position of each meal determines the holding temperature for the slot. Only products that have holding temperatures within 5° ° ° ° F (3° ° ° ° C) of the left most product selection will be displayed for selection in the center and right tray position.

  • Page 25: Meal Selection

    10.6 Product Selection Change (Example) This example changes the lunch product selection in the left position of slot three from 10-1 to NUGG. Because the holding temperature for NUGG is different than 10-1, the center and right product selections will be cleared. Only items with holding temperatures within 5° F (3° C) of the left product selection can be entered for the center and right position.

  • Page 26: Entering And Editing Product Information

    11 Entering and Editing Product Information Changing or entering new product selections, holding times and temperature settings are password- protected functions. To enter the password, press and hold the MENU key for five seconds and enter Program Mode. Press the Page key to scroll to View PAGE. Press the MENU key to select the Security Lock (SECR LOCK).

  • Page 27: Entering Product Name

    11.2 Entering a Product Name A new product entry requires entry of the product name, holding time, holding temperature, meal selection and cook more time. The following example enters a new product (named XXY) with a holding time of 25 minutes, holding temperature of 180 F (82 C) and cook more time of five minutes.

  • Page 28: Entering Product Holding Time

    11.3 Entering Product Holding Time ENTER name name name name prod prod prod prod MENU PAGE Press PAGE key to scroll to the Time page. ENTER page page page page time time time time MENU PAGE Press MENU key to scroll to product time selection.

  • Page 29: Enter Meal Usage

    11.5 Enter Meal Usage ENTER tbot tbot tbot tbot MENU PAGE Press PAGE key to scroll to the Meal page. ENTER page page page page meal meal meal meal MENU PAGE Press MENU key to scroll to product meal selection. ENTER meal meal...

  • Page 30: Display Adjustments

    12 Display Adjustments 12.1 Change Display Time The rate at which an active timer alternately displays product selection and holding time may be adjusted as follows: ø Press and hold MENU key for 5 seconds ø Press PAGE key to scroll to View Page ø...

  • Page 31: Troubleshooting Guide

    13 Troubleshooting Guide for the Universal Holding Cabinet Press the rocker switch to the ON position. Broken or improper wire connection. Are all displays Do all displays Defective display. lit? fail to light? Defective display driver board. 1. No power to power cord.
  • Page 32 14 Tests 14.1 Transformer 1. Disconnect power to cabinet. Remove side and top panels, unless stacked. If stacked, see the service procedures for access instructions. 2. Mark for re-assembly, then remove the two bottom leads. Connect an AC meter across the outside terminals of the secondary.
  • Page 33 14.4 Master Board/Display Driver 1. To isolate between a defective master board or display driver, disconnect the front and rear ribbon cables (FC1 and FC2) and the CN2 connector on the suspect display driver. Disconnect the front and rear ribbon cables and the CN2 connector on the nearest display driver, which operates correctly.
  • Page 34 14.7 Heater Plate 1. Disconnect power to the cabinet. On stand-alone units, remove side and top panels. On stacked units, see Service Procedures for instructions on accessing the top panel. 2. Disconnect the black heater lead and the two RTD leads (brown and red) of the suspect plate from the master board.

  • Page 35: Service Procedures

    15 Service Procedures 15.1 Removing/Replacing Shelf Components DANGER!! Failure to disconnect the power supply before servicing could result in serious injury or death. The cabinet power switch DOES NOT disconnect all incoming power to the cabinet. 1. Turn the UHC off, disconnect the power supply and allow the unit to cool (approximately 60 minutes).
  • Page 36 9. This exposes the transformer, cooling fans, terminal blocks, fuses and main control board. These components accessible easily removable/replaceable. 10. Reassemble the unit by reversing the previous steps. Ensure all wiring connections are tight and in accordance with the wiring diagram. Ensure that all screws and other fasteners are snug.
  • Page 37 5. Place bezel face down on table with slot hole at bottom and remove metal frame holding display. Note position of rib on metal frame and position of ribbon connection on display (Fig. 8). 6. Remove old display assembly. Fig. 8. Note ribbon cable is at top of bezel opening.
  • Page 38 11. Attach the new membrane switch to the display board by sliding the non-terminated ribbon into the connector on the display board. Note: The ribbon must be held flat during insertion. If it bows, it will not seat correctly (Fig. 12). 12.
  • Page 39 Fig: 15: In the test mode, asterisk-like symbols will illuminate in the displays, appearing to march from display to display from left to right. In units with rear displays, this light motion is repeated on the rear displays. Note: The rear display is differentiated from the front by the absence of UP/DOWN arrows and a MENU switch.
  • Page 40 15.4 Replace Heater Plate 1. Perform Section 15-2, Steps 1–7. 2. Run your fingers around the outside surface of the slot assembly. There will be four raised areas. These are the setscrews that hold the heater plate to the spacer. Punch 4 holes in the insulation, directly above the location of the setscrews (Fig.

  • Page 41: Parts Lists, Exploded Views

    16 Parts Lists, Exploded Views 16.1 Universal Holding Cabinet Illustrated Parts Breakdown Item Part Number Qty/Slot Description 806-8162SP Bottom Pan Assembly 806-7904 Pan Base See Page 16-2 Slot Assembly 910-4876SP Cabinet Side, 4-slot unit (Right and Left) Not Shown 106-0266...
  • Page 42 16.1 Universal Holding Cabinet Illustrated Parts Breakdown (cont.) Item Part Number Qty/Slot Description 807-2444E Display Driver 816-0267 Driver Board Cover, 4-slot unit Not Shown 816-0506 Driver Board Cover, 2-slot unit Not Shown 807-2448 Driver Board AC/Data Harness, 4-slot unit Not Shown...
  • Page 43 16.2 Domestic Component Shelf Item Part Number Quantity Description 807-0263 Connector, terminal 807-2443 Motherboard Not Shown 826-1529 Alarm Buzzer Kit 807-2460 Transformer 807-2665 Exhaust blower 807-2812 Terminal block 807-2819 Fuse, 20 amp 807-2820 Fuse block 809-0094 Screw, 6-32 x 3/8 826-1366 Nut, hex keps 809-0250...
  • Page 44 16.3 Components Item Part number Quantity Description 807-2767 Bead Shield, CE only 807-2766 Power Line Filter, CE only 807-2769 Power Transformer, CE only 16.4 Pre-1997 Components Item Part number Quantity Description 807-2278 20-Amp Fuse 807-2447 Fuse Holder 807-2462 Terminal Block 16-4...
  • Page 45 16.5 Slot Assembly Part Number Qty/Slot Description Item 807-2880 Heater Plate (includes RTD) 807-2906 Heater Plate CSA Display Assembly., Front Slot 807-3309 (All, including pre- S/N 9703) Membrane Switch, Front Display Not Shown 807-3311 (Not for pre- S/N 9703) Display Assembly., Rear Slot 807-3310 (All, including pre- S/N 9703) Membrane Switch, Rear Display...

  • Page 46: Wiring Diagram

    17 Wiring Diagram, UHC 17-1...

  • Page 47: Appendices

    18 Appendices Appendix A: Food Item Default Settings Time Food Item Display Name Meal Selection Temperature Setpoint (Min) 185°F (85°C) top plate Sausage SAUS BFST 185°F (85°C) bottom plate 175°F (79°C) top plate Round Eggs ROUN BFST 175°F (79°C) bottom plate 175°F (79°C) top plate Folded Eggs FOLD...

  • Page 48: Appendix B: Cleaning And Preventive Maintenance

    Appendix B: Cleaning and Preventive Maintenance After Each Use – Clean Trays/Racks 1. Remove all plastic and wire trays. Take trays/racks to the sink for cleaning. 2. Clean trays by washing in a hot McD All-Purpose Super Concentrate (APSC) (HCS) solution drawn through the sink proportioner or mix 0.3 fl.
  • Page 49 Weekly – Cabinet Slots Calibrate the top and bottom plates in all four UHC slots by performing the following procedure with the slots clean, empty and at operating temperature for at least 30 minutes. 1. Press the temperature key (See Displaying Slot Temperature Information on Page 8-1) to ensure the setpoint temperature was reached consistently for the 30-minute minimum.
  • Page 50 Annually – Clean Air Exhaust Fans (cont.) 1. At the end of the operating day, place the unit in the CLEAN MODE (see Clean Mode, Pages 7-2— 7-3). 2. Perform all daily maintenance requirements. 3. Disconnect power at the power source before beginning yearly maintenance. See caution above.

  • Page 51: Appendix C: Rtd Resistance Chart

    Appendix C: RTD Resistance Chart Sensor Temp (°F) R Sensor Sensor Temp (°C) 104.984 12.77 106.065 15.55 107.145 18.33 108.224 21.11 109.302 23.88 110.380 26.66 111.456 29.44 112.532 32.22 113.606 35.00 114.680 37.77 115.753 40.55 116.825 43.33 117.896 46.11 118.966 48.88 120.036 51.66...

  • Page 52: Appendix E: Production Charts

    Appendix D: S.O.C. for the Universal Holding Cabinet (UHC) The procedure for the Universal Holding Cabinet when used for FRIED PRODUCTS is similar to our current procedure. The only difference is that the fried product is held in a wire rack that goes in a crumb tray and placed in the pre-designated slot in the cabinet.

  • Page 53: Appendix F: Quick Reference Guide

    Appendix F: UHC Quick Reference Guide 1. Go To Program Mode 2. Select the Slot Page saus saus mode saus saus saus saus saus saus prog prog prog prog saus saus saus saus Press the PAGE Key to select the slot. Press and hold the MENU key for at least five seconds.
  • Page 54 Appendix G: UHC Typical Setups/Stacked Arrangements Breakfast Setup Lunch Setup Default Settings Default Settings Left Center Right Left Center Right SAUS SAUS SAUS 10-1 10-1 10-1 Slot 1 Slot 1 ROUN ROUN CBAC GRCK Slot 2 Slot 2 SCRA FOLD CBAC NUGG NONE...
  • Page 55 Stacked Arrangements 10-1 Meat Patties Recommended Stack - Normal Volume 9/3 Recommended Stack - Ultra-High Volume 18/6 18-9...

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