Viking VCFB5301 Service Manual
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Viking VCFB5301 Service Manual

Viking VCFB5301 Service Manual

Built-in all freezer
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See also: Installation Manual
Service
Manual
This manual is to be used by qualified appliance technicians only. Viking
does not assume any responsibility for property damage or personal
injury for improper service procedures done by an unqualified person.
Built-In
All Freezer
Preferred Service
This Base Manual covers general and
specific information including, but not
limited to the following models:
®
VCFB5301
VCFB5361
SMR-0021
MAY 2012

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Summary of Contents for Viking VCFB5301

  • Page 1 Service ® Preferred Service Manual This manual is to be used by qualified appliance technicians only. Viking does not assume any responsibility for property damage or personal injury for improper service procedures done by an unqualified person. Built-In All Freezer...

  • Page 2: Table Of Contents

    Wiring 36" Freezer Page 2 ........55 Defrost Terminator..........27 Float Switch ............28 Water Valve ............28 Drain Pan Heater ........... 28 Service Procedures ............29 Program Modes ............. 29 Program Mode A ............ 29 Display Frz Temperature ........29 ©2012 Viking Preferred Service...

  • Page 3: Important Information

    This is the safety alert symbol. CAUTION VIKING will not be responsible for any injury or This symbol alerts you to hazards that can kill property damage from improper service procedures. or hurt you and others. All safety messages will...

  • Page 4: Warnings

    Keep doors closed until appliance is completely installed and secured per installation instructions. Use two or more people to move and install appliance. Failure to do so can result in death or serious injury. ©2012 Viking Preferred Service...

  • Page 5: General Information

    VIKING RANGE CORP. LISTED HOUSEHOLD GREENWOOD, MISSISSIPPI 38930 REFRIGERATOR 35NN MODEL/MODELE VCFB5361LSS R134a NUMBER/NUMERO SERIAL/SERIE 021512R10000264 115 VAC/60 HZ NUMBER/NUMERO AMPS: 9.9 PE920095 ©2012 Viking Preferred Service...

  • Page 6: Operation

    ”ACTIVATE hold "ACTIVATE CONTROLS" pad for three CONTROLS” pad is pressed. Once activated, seconds, three long beeps will be heard, pad remains programmable for at least ten confirming activation. minutes ©2012 Viking Preferred Service...

  • Page 7: Fast Cool

    Fast Cool can be cancelled by pressing "FAST COOL" again, the Fast Cool will extinguish on the display. MAX FRZ Max Frz is enabled by pressing ACTIVATE and releasing the "ACTIVATE CONTROLS CONTROLS" pad and then Pressing ©2012 Viking Preferred Service...

  • Page 8: Forced Pull-Down (Forced Compressor Start)

    “HIGHER” and “ALARM defrost heaters will come on at this time for a OFF” pad simultaneously. Continue holding normal defrost cycle. until three beeps are heard. The display will revert to normal operation ©2012 Viking Preferred Service...

  • Page 9: Sabbath Mode

    "ACTIVATE CONTROLS" and then "DISPLAY OFF" together for three seconds, an audible three beeps will be heard and "SAB" on display will extinguish. The display will return to normal and any alarms will be visually and audibly displayed. ©2012 Viking Preferred Service...

  • Page 10: Display Panel Operation

    “ALARM OFF” pad for 3 sec- onds. "DISPLAY OFF" Pad Deactivates control panel except for Press “DISPLAY OFF” pad to de- "ACTIVATE CONTROLS" and "DIS- activate display. Press “ACTIVATE PLAY OFF" pads CONTROLS” pad to reactivate ©2012 Viking Preferred Service...

  • Page 11: Temperature Control Operation

    (compressor dwell time). Refrigerator temperature setting and thermistor value will determine if fresh food switch is open or closed. Cut-out and cut-in temperature values must be reached and maintained for 15 seconds before output state will change (digital delay). Freezer control calibration can be adjusted in Program Mode A. ©2012 Viking Preferred Service...

  • Page 12: Door Hinge Adjustment

    1. Lift center grille louver up and pull out. bolts. 2. Loosen the four hinge bolts. Adjust door. 2. Using an 8” magnetic nut driver, remove the two 1/4” screws. 3. Reverse procedure for reinstallation. 3. Remove grille assembly. ©2012 Viking Preferred Service...

  • Page 13: Height Adjustment

    Phillips screwdriver. Remove kickplate assembly. 3. Using a 5/16” head wrench, turn the front (F) adjustment screws to raise or lower the front of the freezer. Note: DO NOT use an electric device. Overtightening can cause damage. ©2012 Viking Preferred Service...

  • Page 14: Disassembly

    Control Panel FREEZER REFRIGERATOR MAX FRZ MAX REF DOOR OPEN ACTIVATE FAST ALARM DISPLAY HIGHER LOWER CONTROLS TEMP FAST COOL POWER COOL SHOW HIGH TEMP Overlay Switch High Voltage Board Power Disconnect Switch Inverter Low Voltage Board ©2012 Viking Preferred Service...

  • Page 15: Upper Grille Assembly

    2. Pull control panel from securing tabs. Remove 1/4" screw on each side Securing tab Securing tab 3. Lower the control panel. Take caution with 3. Remove the grille assembly the ribbon cable to prevent damage. ©2012 Viking Preferred Service...

  • Page 16: Control Panel (Continued)

    (see Air Grill and Control Panel Removal sections, Page 15). 2. Disconnect overlay switch from control. Overlay Switch Release tab and pull connector out of socket. ©2012 Viking Preferred Service...

  • Page 17: Overlay Switch (Continued)

    3. To check low voltage board, refer to chart on Page 42. 4. Reverse procedure to reinstall 3. High voltage board is now accessible. To check high voltage board, refer to chart on Page 41. 4. Reverse procedure to reinstall. ©2012 Viking Preferred Service...

  • Page 18: Power Disconnect Switch

    Molex A position and 0 VAC should be measured Molex when in the “|” position. 3. Switch bracket is mounted on electronics box with two 1/4" hex head screws. 4. Reverse procedure to reinstall. Molex C ©2012 Viking Preferred Service...

  • Page 19: Inverter (Continued)

    Condenser Fan relay closes to E4 on the High Voltage Board. 1. To access the condenser fan assembly, remove upper air grill assembly, remove Condenser Fan control panel assembly (see Air Grill and Control Panel Removal sections, Page 14). ©2012 Viking Preferred Service...

  • Page 20: Parts Location - Freezer Compartment

    Discharge capacitor through a resistor before attempting to service. Ensure all ground wires are connected before certifying unit as repaired and/or operational. Parts Location – Freezer Compartment Drain pan heater Water valve Float switch ©2012 Viking Preferred Service...

  • Page 21: Ice Maker (Shown Here With Cover Off)

    This minimizes Shutoff arm the amount of melting needed to extract the ice. As soon as the ice is loose enough to move, the ejector pushes the ice out of ©2012 Viking Preferred Service...
  • Page 22 If voltage is present and water is not dispensed verify water supply and fill rate. Poor water quality can cause ice maker to fail or produce unacceptable cubes. Install a water filter ©2012 Viking Preferred Service...
  • Page 23 Attached to support Motor Separate from heater 16,100 Module Voltage checks with motor or test light power to icemaker Test Points Component Line Voltage 0 Volts Module Power On Power Off Bimetal Open Closed Heater Motor Water valve ©2012 Viking Preferred Service...

  • Page 24: Thermal Cut Out (Tco)

    1. To access the freezer thermistor, remove all shelves, drawers. Remove screws securing the thermistor, disconnect wiring, and repair/replace thermistor. 2. In order to check the Thermistor, refer to Mode A Programing on Page 29 or thermister resistance chart on Page 11. ©2012 Viking Preferred Service...

  • Page 25: Freezer Fan

    2. Remove lower light covers (see lower light section) and left and right trim pieces. Note: The trim pieces and slide mounts have a clip attached that engages in a catch. To remove assembly, disengage clip from catch. ©2012 Viking Preferred Service...

  • Page 26: 36" Unit

    2. Remove screws, remove rear cover, and disconnect wiring, and repair/replace fan. disconnect wiring. 6. Reverse procedure to reinstall. 3. Remove screws securing freezer fans, disconnect wiring, and repair/replace 36” Unit fans. 1. Remove fan covers 4. Reverse procedure to reinstall. ©2012 Viking Preferred Service...

  • Page 27: Defrost Heater

    Terminal E6 (orange) to the heating element. If voltage is present at E5 but not at E6, then the Defrost relay is open. If there are 0 volts at E5, then the terminator is open. ©2012 Viking Preferred Service...

  • Page 28: Float Switch

    1. To access, remove the lower access panel and the valve is accessible on the left-hand side. To check the valve, ensure water supply, verify coil resistance approximately 192.2 Ω, and 120 VAC. ©2012 Viking Preferred Service...

  • Page 29: Service Procedures

    (CRTD). This time can be adjusted from between 4 hours (minimum) to 24 hours (maximum) in one hour increments. Conventional defrost must first be selected as shown in previous step. ©2012 Viking Preferred Service...

  • Page 30: Compressor Low Speed Frequency

    "FREEZER" "DISPLAY OFF" once, this will TEMP DISPLAY illuminating on display. result in the display "CLF". The freezer section should be set to HIGHER appropriate value in table below. Freezer Cut-In Model Value 5301 5361 ©2012 Viking Preferred Service...

  • Page 31: Adjust Cut-Out Hysteresis

    "COH". HIGHER Press and release "FRZ TEMP", this will result in "FREEZER" TEMP illuminating on display. The freezer section should be set to appropriate value in table below. HIGHER Freezer Cut-Out LOWER Model Value 5301 5361 ©2012 Viking Preferred Service...

  • Page 32: Exiting Mode A

    B as a separate adjustment or can be set automatically in Mode B when selecting model code, where several control values are set by eeprom. Table 1, Page 39 lists eeprom values set by model code. ©2012 Viking Preferred Service...

  • Page 33: Adjust Fast Cool Duration

    1 minute increments. exit Mode B by holding "ACTIVATE CONTROLS" for three seconds until you get HIGHER The duration is adjusted using the three audible beeps. Return to your previous "HIGHER and LOWER" pads. actions. LOWER ©2012 Viking Preferred Service...

  • Page 34: Adjust Dc Fan Cycling Off Time

    5361 The "REFRIGERATOR and/or FREEZER" indicators will illuminate for each model type as it is selected depending upon the model configuration. (example: code 430 will only illuminate the "REFRIGERATOR" indicator because it is an All Refrigerator) ©2012 Viking Preferred Service...

  • Page 35: Adjust Freezer Upper Temperature Limit

    7 If you see "dLA" in the display, immediately LOWER exit Mode C by holding "ACTIVATE CONTROLS" for three seconds until you get three audible beeps. Return to your previous actions. ©2012 Viking Preferred Service...

  • Page 36: Defrost Start Delay

    This adjustment is not a field adjustment and should not be performed by technicians. This is a factory only adjustment. If you see "Pt" in the display, immediately turn power switch to OFF. Turn power back on and start over. ©2012 Viking Preferred Service...

  • Page 37: Alarms

    15 seconds of the open thermistor condition being zone above. Then pressing and releasing "ALARM corrected and temperature control reverts back to OFF" once will clear the "HIGH TEMP" off the screen normal operation. and the zone indicator will stop flashing. ©2012 Viking Preferred Service...

  • Page 38: Shorted Thermistor Alarm

    These actions will not clear the visual "DOOR" alarm, that can only be cleared by shutting the doors and allowing the control to reset it. ©2012 Viking Preferred Service...

  • Page 39: Table 1 - Model Types

    Service Procedures TABLE 1 - Model types Model Model Freq user user Offset Offset Cut-In Cut- Cut-In Cut- Type Code default default temp temp BM36 SxS42 SxS42D SxS48 SxS48D AF30 AF36 AR30 AR36 ©2012 Viking Preferred Service...

  • Page 40: Troubleshooting

    12 minutes. • If inverter still shows no flash code and compressor is OFF, change the inverter. • If the inverter shows no flash code and the compressor is ON, diagnostic function is not working properly. ©2012 Viking Preferred Service...

  • Page 41: High Voltage Board

    E10-E11 115 VAC E5 Defrost Terminator Ground E6 Defrost Heater Neutral In (lights) E12-E11 N/A Neutral Out (lights) E13-E11 115 VAC E12 Neutral in Aux Heater (Dis- E14-E11 115 VAC penser units only) E13 Light Relay ©2012 Viking Preferred Service...

  • Page 42: Low Voltage Board

    P4-15 Light enable relay 17.8 vdc - 38 See Note 2 vdc, ref to chas- below sis ground NOTE 1 : Requires an oscilloscope to measure NOTE 2 :DC voltage- load of meter can affect measurement ©2012 Viking Preferred Service...

  • Page 43: Troubleshooting Guide

    Evaporator fan Check connection and possible short open condition Defrost heater Adjust door seal or replace. Door not sealing properly Unit running and no lights Sabbath Mode Take out of Sabbath Mode Open circuit Repair/replace wiring ©2012 Viking Preferred Service...
  • Page 44 Adjust water fill screw, level ice maker or refrigerator, reduce water pressure, or replace water valve or ice maker Leaky water valve Tighten connections or replace water valve Temperature Problems Action Freezer too warm (AF Model) Adjust freezer setting or repair freezer ©2012 Viking Preferred Service...
  • Page 45 Replace ice maker Closed thermostat (won’t open above 32˚F) Replace ice maker Heater not staked in mold Replace ice maker Won’t cycle test with power available Replace ice maker Won’t eject ice with power available Replace ice maker ©2012 Viking Preferred Service...

  • Page 46: Hv Board Wiring 30" Freezer

    Discharge capacitor through a resistor before attempting to service. Ensure all ground wires are connected before certifying unit as repaired and/or operational. HV Board Wiring 30" Freezer ©2012 Viking Preferred Service ©2012 Viking Preferred Service...

  • Page 47: Hv Board Wiring 36" Freezer

    To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit, unless test procedures require power to be connected. Discharge capacitor through a resistor before attempting to service. Ensure all ground wires are connected before certifying unit as repaired and/or operational. HV Board Wiring 36" Freezer ©2012 Viking Preferred Service...

  • Page 48: 30" All Freezer Schematic, Upper Section

    Schematic 30" All Freezer Schematic, Upper Section ©2012 Viking Preferred Service...

  • Page 49: 30" All Freezer Schematic, Lower Section

    Schematic 30" All Freezer Schematic, Lower Section ©2012 Viking Preferred Service...

  • Page 50: 36" All Freezer Schematic, Upper Section

    Schematic 36" All Freezer Schematic, Upper Section ©2012 Viking Preferred Service...

  • Page 51: 36" All Freezer Schematic, Lower Section

    Schematic 36" All Freezer Schematic, Lower Section ©2012 Viking Preferred Service...

  • Page 52: Wiring 30" Freezer

    Wiring Diagrams WIRING - 30" UPPER SECTION © 2012 Viking Preferred Service...

  • Page 53: Wiring 30" Freezer

    Wiring Diagrams WIRING - 30" LOWER SECTION © 2012 Viking Preferred Service...

  • Page 54: Wiring 36" Freezer

    Wiring Diagrams WIRING - 36" UPPER SECTION © 2012 Viking Preferred Service...

  • Page 55: Wiring 36" Freezer

    Wiring Diagrams WIRING - 36" LOWER SECTION © 2012 Viking Preferred Service...

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