Table of Contents
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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
Side by Side
Non-Dispenser
Refrigerator /
Freezer
Preferred Service
This Base Manual covers general and
specific information including, but not
limited to the following models:
FDSB5421
FDSB5481
VCSB5421
VCSB5481
®
SMR-0020
MAY 2012
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Summary of Contents for Viking VDSC367
- 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 Side by Side...
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Page 2: Table Of Contents
Wiring and Component Testing ......52 Water Valve ............29 High Voltage Board ..........52 Drain Pan Heater ..........29 Side by Side schematic .......... 53 Service Procedures 30 Side by Side Wiring Diagram ......... 54 Program Modes ............. 30 ©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 FDSB5421SS 6.25 R134a NUMBER/NUMERO SERIAL/SERIE 021512R10000264 115 VAC/60 HZ NUMBER/NUMERO AMPS: 9.9 PE920095 ©2012 Viking Preferred Service... -
Page 6: Operation
To activate the confirmation beep press and CONTROLS” pad is pressed. Once activated, hold "ACTIVATE CONTROLS" pad for three pad remains programmable for at least ten seconds, three long beeps will be heard, minutes confirming activation. ©2012 Viking Preferred Service... -
Page 7: Fast Cool
Max Frz is enabled by pressing This causes the control to ACTIVATE and releasing the "ACTIVATE temporarily (factory setting is 4 hours) change CONTROLS CONTROLS" pad and then Pressing the current refrigerator set point to 33 ©2012 Viking Preferred Service... -
Page 8: Forced Pull-Down (Forced Compressor Start)
"dEF" in the seven segment displays, as appropriate outputs in an effort to reach both shown above. When defrost is complete the of the cut-out temperatures (refrigerator and displayed "dEF" will again be replaced with freezer). displayed temperature numerals. ©2012 Viking Preferred Service... -
Page 9: Showroom Mode
Sabbath mode has been entered. When Sabbath mode has been entered the display goes blank except for the "SAB", see illustration below, which will remain illuminated whether the door(s) are open or closed, it will not change state. ©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
Cut-out and cut-in temperature values must be reached and maintained for 15 seconds be- fore output state will change (digital delay). Refrigerator and freezer control calibration can be adjusted in Program Mode A. ©2012 Viking Preferred Service... -
Page 12: Disassembly
Ensure all ground wires are connected before certifying unit as repaired and/or operational. Parts Location–Control Panel Upper Grille Assembly Control Panel Overlay Switch High Voltage Board Power Disconnect Switch Low Voltage Board Inverter ©2012 Viking Preferred Service... -
Page 13: Upper Grille Assembly
2. Pull control panel from securing tabs. Remove 1/4" screw Securing tab Securing tab on each side 3. Lower the control panel. Take caution with 3. Remove the grille assembly the ribbon cable to prevent damage. ©2012 Viking Preferred Service... -
Page 14: Control Panel (Continued)
(see Air Grill and Control Panel Removal sections, Page 13). 2. Disconnect overlay switch from control. Overlay Switch Release tab and pull connector out of socket. ©2012 Viking Preferred Service... -
Page 15: Overlay Switch (Continued)
To check low voltage board, refer to chart on Page 48. 3. Reverse procedure to reinstall High voltage board is now accessible. To check high voltage board, refer to chart on page 47.. 3. Reverse procedure to reinstall. ©2012 Viking Preferred Service... -
Page 16: Power Disconnect Switch
“0” position and 0 VAC Molex A should be measured when in the “|” position. Molex 2. Switch bracket is mounted on electronics box with two 1/4" hex head screws. 3. Reverse procedure to reinstall. Molex C ©2012 Viking Preferred Service... -
Page 17: 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 13). ©2012 Viking Preferred Service... -
Page 18: Parts Location-Refrigerator Compartment
To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit, unless test procedures require power to be connected. Ensure all ground wires are connected before certifying unit as repaired and/or operational. Parts Location–Refrigerator Compartment Plasma Cluster Fan Assembly Light Assembly Ref Thermistor Interior light Water filter ©2012 Viking Preferred Service... -
Page 19: Light Assembly
When the board calls for the fan to operate, 24 VDC is sent to the fan via the E1 (Purple) at the H.V. Board. 4. Remove (2) screws securing fresh food fan and repair/replace fan. Fresh Food fan cover Fresh food fan ©2012 Viking Preferred Service... -
Page 20: Interior Lights
2. With cover removed, remove the double mounting plate. sided tape securing the plasma cluster to the air cover, disconnect wiring, and repair/replace plasma cluster. 3. Remove the three securing screws to access the socket. Plasma Cluster 3. Reverse procedure to reinstall. ©2012 Viking Preferred Service... -
Page 21: Parts Location-Freezer Compartment And Lower Unit-Non Dispenser
Ensure all ground wires are connected before certifying unit as repaired and/or operational. Parts Location–Freezer Compartment and Lower Unit–Non Dispenser Icemaker Evaporator Fan Drain Pan heater Freezer thermistor Defrost heater Float Switch ©2012 Viking Preferred Service... -
Page 22: 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 23 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 24 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...
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Page 25: Thermal Cut Out (Tco)
4. Remove screws and center evaporator cover. Freezer Evaporator Fan 1. Remove lower freezer baskets. 2. Remove screws securing left and right Evaporator Fan Cover freezer glides and remove glides. Freezer glides ©2012 Viking Preferred Service... -
Page 26: Freezer Thermistor
1. Remove drawers and shelves. 30 Ω. During the defrost cycle Line voltage passes through the Defrost Terminator the 2. Remove screws securing the thermistor. into terminal E5 (orange wire). With the defrost heater relay activated, the voltage ©2012 Viking Preferred Service... - Page 27 Control Housing. Refer to page 82 pin locations. Evaporator cover Defrost heater 2. Remove clips securing defrost heater, disconnect wiring, and repair/replace defrost heater. 1. Remove screws securing rear panel and remove rear panel. Defrost heater ©2012 Viking Preferred Service...
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Page 28: Defrost Terminator
15-wire Molex plug on the right side of the Control Housing. Refer to page 82 pin locations. To access the defrost terminator: 1. Follow steps 1-4 under Defrost Heater disassembly. 2. Unclip the terminator, disconnect wiring, repair/ replace terminator. Defrost Terminator ©2012 Viking Preferred Service... -
Page 29: Water Valve
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. ©2012 Viking Preferred Service... -
Page 30: Service Procedures
(maximum) in one hour increments. This readout will reflect instantaneous temperature changes on the freezer Conventional defrost must first be selected as thermistor as shown in illustration, next shown in previous step. column. ©2012 Viking Preferred Service... -
Page 31: Compressor Low Speed Frequency
Press "REF TEMP to select the refrigerator compartment, TEMP the display will illuminate "REFRIGERATOR" on display. Next Press and release "HIGHER or LOWER" which will result in HIGHER displaying degrees in Fahrenheit. For the refrigerator section this LOWER ©2012 Viking Preferred Service... -
Page 32: Adjust Cut-Out Hysteresis
To exit the cut-in adjustment press and 5481 release "ACTIVATE CONTROLS" one time which will result in "PrA" being displayed. You Using Higher and Lower pads set to correct are now back in Mode A. value as in illustration below. ©2012 Viking Preferred Service... -
Page 33: Display Software Version
Pressing HIGHER "HIGHER or LOWER" will cycle between a letter prefix and a two digit version as follows: LOWER "A" + the major version "B" + the minor version "C" the build number ©2012 Viking Preferred Service... -
Page 34: Program Mode B
This value should be set to HIGHER appropriate value in table below. Freezer Offset LOWER Model Value 5421 5481 Using "HIGHER and LOWER" pads adjust value as in illustration below. ©2012 Viking Preferred Service... -
Page 35: Adjust Max Frz Duration
MAX REF is set at. Factory default for this adjustment is 4 hours. Range is 1 to 20 hours in 1 hour increments. HIGHER The duration is adjusted using the "HIGHER and LOWER" pads. LOWER ©2012 Viking Preferred Service... -
Page 36: Adjust Door Open Alarm Delay
Mode B by holding "ACTIVATE CONTROLS" for three seconds until you get Failure to do this will cause system three audible beeps. Return to your previous to time out after 10 minutes and any actions. changes will be lost. ©2012 Viking Preferred Service... -
Page 37: Program Mode C
"REFRIGERATOR" indicator because it is an All Refrigerator) While in Mode C, press and hold "MAX FRZ" and and then hold the "LOWER" pad for three seconds, this will result in the display LOWER changing to "FLL". ©2012 Viking Preferred Service... -
Page 38: Adjust Refrigerator Upper Temperature Limit
LOWER" pads will increase exit Mode C by holding "ACTIVATE HIGHER or decrease the set point, which CONTROLS" for three seconds until you get should be set at 47 three audible beeps. Return to your previous LOWER actions. ©2012 Viking Preferred Service... -
Page 39: 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 40: Alarms
"ALARM OFF" once will 15 seconds of the open thermistor condition being clear the "HIGH TEMP" off the screen and the zone corrected and temperature control reverts back to indicator will stop flashing. normal operation. ©2012 Viking Preferred Service... -
Page 41: Shorted Thermistor Alarm
15 seconds of the open thermistor condition being These actions will not clear the visual "DOOR" corrected and temperature control reverts back to alarm, that can only be cleared by shutting the normal operation. doors and allowing the control to reset it. ©2012 Viking Preferred Service... -
Page 42: 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 43: Door Stop Adjustment
Note: The clear section of the light cover is considered the back section. Reconnect power or turn power disconnect switch to the “ON” position. Door Hinge Adjustment Removal of the upper grill assembly allows access to door hinge for adjustment. ©2012 Viking Preferred Service... -
Page 44: Height Adjustment
6. Reverse procedure for reinstallation. Height Adjustment Removal of the kickplate allows access to rollers and stabilizing legs for height Note: DO NOT use an electric device. Over adjustment. tightening can cause damage. ©2012 Viking Preferred Service... - Page 45 Service Procedures 4. Using a 5/16” head wrench, turn the rear (R) adjustment screws to raise or lower the rear of the refrigerator. Note: DO NOT use an electric device. Overtightening can cause damage. 5. Reinstall kickplate. ©2012 Viking Preferred Service...
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Page 46: Diagnostics
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 47: 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 48: 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 49: 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 ©2012 Viking Preferred Service... - Page 50 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 ©2012 Viking Preferred Service...
- Page 51 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 ©2012 Viking Preferred Service...
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Page 52: Wiring Diagrams
Wiring Diagrams Wiring and Component Testing High Voltage Board Chart for cable view layout ©2012 Viking Preferred Service... -
Page 53: Side By Side Schematic
Wiring Diagrams Side by Side schematic ©2012 Viking Preferred Service... -
Page 54: Side By Side Wiring Diagram
Wiring Diagrams Side by Side Wiring Diagram ©2012 Viking Preferred Service...
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