Viking VCBB536 Service Manual
Built-in bottom-mount refrigerator/freezer
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Also See for VCBB536:
- Specifications (153 pages) ,
- Product brochure (56 pages) ,
- Specification sheet (10 pages)
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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
Bottom-Mount
Refrigerator/
Freezer
Preferred Service
This Base Manual covers general and
specific information including, but not
limited to the following models:
VCBB536
VIBB536
DDBB536
DFBB536
SMR-0007
August 1, 2009
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Table of Contents
Related Manuals for Viking VCBB536
Summary of Contents for Viking VCBB536
- 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 Bottom-Mount This Base Manual covers general and specific information including, but not...
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Page 2: Table Of Contents
Forced Compressor Start ........27 Schematic ...............57 Open Thermistor Detect ........27 Wiring and Component testing– Enter Showroom Mode ........28 High Voltage Board ..........58 Exit Showroom Mode ...........28 Full Schematic ............59 Upper Wiring Diagram ...........60 Lower Wiring Diagram ...........61 © 2009 Viking Preferred Service... -
Page 3: Important Information
“DANGER”, “WARNING” or “CAUTION”. These words mean: CAUTION DANGER VIKING will not be responsible for any injury Immediate hazards which WILL result in severe or property damage from improper service personal injury or death. procedures. If performing service on your... -
Page 4: Warranty Service Information
(2) years from the date of original retail purchase. Viking Range Corporation, warrantor, agrees to repair or replace, at its option, any part which fails or is found to be defective during the warranty period. - Page 5 The return of the Owner Registration Card is not a condition of warranty coverage. You should, however, return the Owner Registration Card so that Viking Range Corporation can contact you should any question of safety arise which could affect you.
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Page 6: General Information
( 5 6 ( 5 9 ” / 1 6 ” - 1 1 ( 6 2 ( 6 1 4 ” 2 ” - 1 / - 1 / ( 6 9 ( 6 7 © 2009 Viking Preferred Service... - Page 7 ” - 3 / / 1 6 - 1 3 ( 5 9 ( 6 0 ” 4 ” - 3 / ( 6 1 ( 6 2 ” r i e ( 6 6 © 2009 Viking Preferred Service...
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Page 8: Warnings
DO NOT touch condenser coils near defrost Use two or more people to move and install pan. Doing so can result in burns. appliance. Failure to do so can result in death or serious injury. © 2009 Viking Preferred Service... -
Page 9: Model - Serial Number Matrix
Model Numbers V C B B 5 3 6 R S S V=Viking Professional Series SS=Stainless Commercial Right Hinge Built-In 36” Wide Version Bottom-Mount Serial Numbers 03 03 09 R00002015 Month Serial Number Year of Manufacture © 2009 Viking Preferred Service... -
Page 10: Operation
“HIGH TEMP” indicator will illuminate. will be heard confirming the key press confirmation Showroom mode is entered. has been deactivated. To activate the key press confirmation, press and hold the “ACTIVATE CONTROLS” pad until confirmation beep is heard. © 2009 Viking Preferred Service... - Page 11 ”ACTIVATE CONTROLS” pad, followed by the OFF” pad on your refrigerator’s control panel. If the “MAX REF” pad. alarm continues to sound, contact an authorized Viking Range Corporation technician immediately. Max Freezer Mode Max freezer mode adjusts the Display Panel...
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Page 12: Automatic Ice Maker
“ON” the ice maker fills with water and begins operating. position. Under normal conditions, the ice maker will produce seven to nine batches of ice per 24 hour period. © 2009 Viking Preferred Service... -
Page 13: Door Hinge Adjustment
1b. (Designer) Pull the center grille louver up at an angle and pull out. 5. Loosen the four hinge screws. Adjust door. Front of unit 2. Using an 8” magnetic nut driver, remove the two 1/4” screws. 6. Reverse procedure for reinstallation. © 2009 Viking Preferred Service... -
Page 14: Height Adjustment
Remove kickplate assembly. 3. Using a 5/16” head wrench, turn the front (F) adjustment screws to raise or lower the front of the refrigerator. Note: DO NOT use an electric device. Overtightening can cause damage. © 2009 Viking Preferred Service... -
Page 15: Diagnostics
Tone will sound 3 times and control will be in program mode A. Refer to Program Mode section. Display Off Pad Deactivates control panel Press “DISPLAY OFF” pad to deactivate display. Press “ACTIVATE CONTROLS” pad to reactivate © 2009 Viking Preferred Service... -
Page 16: Program Modes
“MAX FRZ” pad, the “MAX REF” pad, then the “MAX FRZ”. 4. An audible tone will sound three times confirming the unit is in Program Mode A and the orange LED to the right of the HIGH TEMP indicator will illuminate. © 2009 Viking Preferred Service... -
Page 17: Mode A Functions
Add Indicator 6 and 7 together to get a total temp of 6 degrees for the 1’s column. Indicator 9 is not illuminated so the temperature is positive. The compartment temperature for this example would be 36 degrees. © 2009 Viking Preferred Service... -
Page 18: Freezer Thermistor Temperature
The indicator light and corresponding Defrost Times are listed below. Indicator Defrost Time 4 hours 5 hours 6 hours 8 hours 12 hours 16 hours 18hours 20 hours 24 hours *Default setting To exit Adjustable Conventional Defrost, press the “ACTIVATE CONTROLS” key. © 2009 Viking Preferred Service... -
Page 19: Vcc Compressor Frequency
The differential temperature is changed by using the Higher Temp and Lower Temp keys. Pressing the “HIGHER TEMP” key once will change the differential temperature by one level; pressing the “LOWER TEMP” key once will change the differential temperature by one level in the opposite direction. © 2009 Viking Preferred Service... -
Page 20: Freezer Cut-In/Out Temperature Differential
TEMP” key once will change the temperature by one level; pressing the “LOWER TEMP” key once will change the temperature by one level in the opposite direction. The indicator light and corresponding differential temperatures are listed below. Indicator Cut-In/Out Temperature Differential *Example shown on above © 2009 Viking Preferred Service... -
Page 21: Mode B Functions
(keys) except “ALARM OFF” and “ACTIVATE CONTROLS” will be disabled after 10 minutes. If high temperature indicator is off, all pads (keys) on the keyboard are always enabled. DO NOT LEAVE KEYBOARD IN ENABLED MODE AFTER PROGRAMMING IS COMPLETE. © 2009 Viking Preferred Service... -
Page 22: Door Alarm Delay
The indicator light and corresponding default times are listed below. Indicator Default Delay Time 1 min 2 min 3 min 4 min 5 min 6 min 7 min 8 min 9 min * Default setting © 2009 Viking Preferred Service... -
Page 23: Max Refrigerator Run Time Duration
The indicator light and corresponding Max Ref run time duration are listed below. Indicator Max Ref Run Time 4 hrs 6 hrs 8 hrs 10 hrs 12 hrs 14 hrs 16 hrs 18 frs 20 hrs Duration * Default setting © 2009 Viking Preferred Service... -
Page 24: Max Freezer Run Time Duration
The indicator light and corresponding Max Frz run time duration are listed below. Indicator Max Frz Run Time 4 hrs 6 hrs 8 hrs 10 hrs 12 hrs 14 hrs 16 hrs 18 frs 20 hrs Duration * Default setting © 2009 Viking Preferred Service... -
Page 25: Temperature Offset Calibration
DO NOT change. If 5th bar is not illuminated, press “HIGHER TEMP” pad to move default offset to the next warmer setting or press “LOWER TEMP” pad to move default offset to the next colder setting. © 2009 Viking Preferred Service... -
Page 26: Defrost Mode Selection
Forced Compressor Start Compressor start can be forced by pressing and holding “MAX FRZ ” pad for three seconds. Program changes will be saved permanently in EEPROM. Compressor, evaporator fan, and condenser fan will come on. © 2009 Viking Preferred Service... -
Page 27: Exiting Program Mode
Refer to Temperature Control Section and Electronic Testing section. Press “ALARM OFF” pad to turn off alarm. Alarm will reset for normal operation. If condition has not been corrected, alarm will sound again. © 2009 Viking Preferred Service... -
Page 28: Enter Showroom Mode
To exit Showroom mode: Press and hold the “ACTIVATE CONTROLS” pad. While holding, press and hold the “HIGHER” and “ALARM OFF” pad simultaneously. One beep will be heard indicating that sequence was entered properly. Continue holding until three beeps are heard. The display will revert to normal operation. © 2009 Viking Preferred Service... -
Page 29: Sabbath Mode Feature For Sabbath Observance
Once the unit is back in normal mode, the bale arm of the ice maker needs to be pushed down until it is no longer in the detent position. This will restore Maker power to the ice maker. Position © 2009 Viking Preferred Service... -
Page 30: Power Disconnect Switch
When the controller detects critical temperature in the unit for a duration of 2 hours, an alarm will sound. A high temperature indicator light and a flashing freezer or refrigerator indicator light will accompany the audible alarm. Alarm tone stops if temperature falls again. Press “ALARM OFF” pad to turn alarm off. © 2009 Viking Preferred Service... -
Page 31: Thermistor Alarm
Note: Open thermistor or thermistor circuit will result in failure of refrigerator to cool. Shorted thermistor will cause refrigerator to run 100 percent of time except during defrost cycle. Deg F Deg C K-Ohms Deg F Deg C K-Ohms Deg F Deg C K-Ohms © 2009 Viking Preferred Service... - Page 32 -4 (-20) 11 (-12) 33 (-0) 45 (7.2) -2 (-19) 13 (-11) 35 (1.7) 47 (8.3) 0 (-18) 15 (-9) 37 (2.8) 49 (9.4) -12 (-24) 3 (-16) Max Frz 25 (-3.9) 37 (2.8) Max Ref © 2009 Viking Preferred Service...
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Page 33: Vcc3 Diagnostic Codes
“OFF”, then check the control board 2 Flashes–every 5 seconds Control Board replace inverter 3 Flashes–every 5 seconds interrupted (open circuit) connection (among 3 terminal hermetic pins) circuit inverter/compressor cable is OK, replace inverter © 2009 Viking Preferred Service... - Page 34 2 minutes. Reconnect the inverter to the power supply and wait for 12 minutes compressor is “OFF”, change the inverter the compressor is “ON”, diagnostic function is not working properly © 2009 Viking Preferred Service...
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Page 35: Parts Location-Control Panel
Service Diagnostics and Procedures Parts Location–Control Panel Upper Grill Assembly Control Panel Overlay Switch High Voltage Board Power Disconnect Switch Inverter Low Voltage Board © 2009 Viking Preferred Service... -
Page 36: Upper Grill Assembly
(2) 1/4” hex screws securing the grill assembly. 2. Pull control panel from securing tabs. Securing Tab Securing Tab 1/4” Screws 3. Remove the grill assembly. 3. Lower the control panel. Take caution with the ribbon cable to prevent damage. © 2009 Viking Preferred Service... -
Page 37: Overlay Switch
6. Disconnect the ribbon from the control board. Take caution with the ribbon cable to prevent damage. Overlay Switch Connection 3. Peel overlay off control panel and remove (remove adhesive to ensure replacement overlay adheres properly) 4. Reverse procedure to reinstall. © 2009 Viking Preferred Service... -
Page 38: High Voltage Board
High voltage board is now accessible. To check To check low voltage board, refer to chart on high voltage board, refer to chart on page 39. page 40. 3. Reverse procedure to reinstall. 3. Reverse procedure to reinstall © 2009 Viking Preferred Service... -
Page 39: Component Testing-High Voltage Board
E9 Neutral (Left Light) Neutral In E9-E11 L1 Line In - 120VAC Line In E10-E11 115VAC Ground E5 Defrost Terminator Neutral In-Lights E12-E11 E6 Defrost Heater Neutral Out-Lights E13-E11 115VAC E12 Neutral in E13 Light Relay © 2009 Viking Preferred Service... -
Page 40: Component Testing-Low Voltage Board
Wires removed during disassembly must be replaced on proper terminals to insure correct earth ground and polarization. After servicing, reconnect power using power switch. Component Testing–Low Voltage Board 15 pin connection between high voltage and low voltage boards Frequecy connection to inverter Ribbon Connector © 2009 Viking Preferred Service... -
Page 41: Power Disconnect Switch
This is determined by the frequency input from the low voltage board 1. To access the inverter, remove upper air grill assembly, remove control panel assembly (see Air Grill and Control Panel Removal sections). © 2009 Viking Preferred Service... -
Page 42: Condenser Fan
Condenser Fan Inverter 120 VAC is supplied to the inverter from E4 on the High Voltage Board. The LV board sends 5 VDC to the inverter to operate the compressor. 5. Reverse procedure to reinstall. © 2009 Viking Preferred Service... -
Page 43: Parts Location-Refrigerator Compartment
Service Diagnostics and Procedures Parts Location–Refrigerator Compartment Light Assembly Plasma Cluster Fan Assembly Fresh Food Themistor © 2009 Viking Preferred Service... -
Page 44: Light Assembly
The unit uses a fan to circulate air through the refrigerator compartment. Fresh Food Fan 1. To access, remove shelves, remove covers in upper left and right rear corners. Fan measures approximately 100M , 3.2 W. Ω 4. Reverse procedure to reinstall. Corner Covers © 2009 Viking Preferred Service... -
Page 45: Fresh Food Thermistor
16 to Access the Service Mode and page 17 on reading the Binary Code to check the thermistor. If you are experiencing the scrolling temp bars described on page 31 then the Thermistor needs to be removed and tested. © 2009 Viking Preferred Service... -
Page 46: Parts Location-Freezer Compartment And Lower Unit
Service Diagnostics and Procedures Parts Location–Freezer Compartment and Lower Unit Freezer Thermistor Icemaker Evaporator Fan Water Valve Drain Pan Heater Service Fan © 2009 Viking Preferred Service... -
Page 47: Ice Maker
first revolution. During the second revolution, the ejector pushes the ice into the bucket. © 2009 Viking Preferred Service... - Page 48 Thermostat connection or hollow ice cubes, flooding of ice container. L1 side of line Mineral content can cause lime build up in the mold, wicking of water over the mold and poor Water valve connection © 2009 Viking Preferred Service...
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Page 49: Thermal Cut Out (Tco)
Separate from Heater 16,100 Module Voltage Checks with Motor or Test Light Power to Ice maker Test Points Component Line Voltage 0 Volts T-Module Power On Power Off Power Off Bimetal Open Closed Heater Motor Water Valve © 2009 Viking Preferred Service... - Page 50 When the fan relay is energized, Line voltage is sent to E2 and then to the Freezer fan motor. If voltage is present and no fan movement, replace fan motor. Screws 4. Reverse procedure to reinstall. Evaporator Fan Cover © 2009 Viking Preferred Service...
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Page 51: Defrost Terminator
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 is 0 volts At E5, then the terminator is open. © 2009 Viking Preferred Service... -
Page 52: Freezer Thermistor
Access the Service Mode and page 17 on reading the Binary Code to check the thermistor. If you are experiencing the scrolling temp bars described on page 31 then the Thermistor needs to be removed and tested. © 2009 Viking Preferred Service... -
Page 53: Drain Pan Heater
If the switch is closed and no voltage is supplied, verify wiring, power disconnect switch has not been turned “ON”, and supply voltage. If voltage is supplied, the float switch is closed, and the heater does not energize, replace the heater. © 2009 Viking Preferred Service... -
Page 54: Troubleshooting Guide
Frost on evaporator Defrost thermostat Verify thermostat is closing Evaporator fan Check connection and possible short open condition Defrost heater Unit running and no lights Sabbath Mode Verify operation of Sabbath Mode Open circuit Repair/replace wiring © 2009 Viking Preferred Service... - Page 55 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 Adjust freezer setting or repair refrigerator © 2009 Viking Preferred Service...
- Page 56 Closed thermostat (won’t open above 32˚F) Replace thermostat Thermostat out of calibration Replace thermostat 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 © 2009 Viking Preferred Service...
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Page 57: Schematic
Wiring and Schematics Schematic Refrigerator Compartment Freezer Compartment Bottom of Cabinet © 2009 Viking Preferred Service... -
Page 58: Wiring And Component Testing-High Voltage Board
0 or 120 V Line out to Condenser fan motor 0 or 120 V Line in from the fresh food 0 or 120 V door switch Neutral OUT to cavity lights Chart for cable view layout © 2009 Viking Preferred Service... -
Page 59: Full Schematic
120 VAC (N) - E9 LT BU 120 VAC (L1) - E10 GN/YL GROUND - E11 GY/WH 120 VAC (N) - E12 WH/BK LIGHT RELAY - E13 HIGH VOLTAGE HARNESS LOW VOLTAGE HARNESS PF930948 REV 3 REMOVABLE CONTROL HOUSING © 2009 Viking Preferred Service... -
Page 60: Upper Wiring Diagram
BK/WH BK/WH OR/WH GN/YL GN/YL 24 VDC FF FAN 24 DC BACK OF REFRIG LNR REFRIG LT HOUSING RD/WH CAB TOP/ LINER GROMMET & TUNNEL Ref Light Ref Light Wiring schematic continued on next page © 2009 Viking Preferred Service... -
Page 61: Lower Wiring Diagram
Fan Shroud VT/WH Evaporator Fan VT/WH CAB BACK/ FRZ LT LINER FZ LT HOUSING GROMMET & TUNNEL BOTTOM OF CABINET Service Fan Drain Pan Heater GN/YL GN/YL Mullion Htr WH/BK Float Switch Cabinet Foot Solenoid Valve © 2009 Viking Preferred Service...