Troubleshooting - Viking VCBF136 Service Manual

Service Diagnostics and Procedures
Troubleshooting Guide
Below and on the following pages are some general guides should a problem be detected. Please refer to the
test procedures in this manual to determine the defective component.
Problem
Unit will not operate
Unit runs continually
Frost on evaporator
Unit running and no lights Sabbath Mode
Power Problems
No power to ice maker at
connector socket
No power to water valve
Water Problems
No water to refrigerator
No water to ice maker
Clogged water valve
Insufficient water to ice
maker (with correct fill
time)
© 2011 Viking Preferred Service
Probable Cause
Power supply
Circuit breaker
Power switch
Control setting
Door seal
Dirty condenser
Condenser/evaporator fan
Control board
Heat exchanger
Defrost thermostat
Evaporator fan
Defrost heater
Door seal
Open circuit
Probable Cause
No continuity
No continuity
Probable Cause
Supply
Supply line
Water valve
Supply
Supply line
Water valve
Water valve
Restriction in supply line
Water Valve
Correction
Verify voltage
Reset breaker
Turn to the "ON" position
Move to medium setting
Verify closure, replace if needed
Clean condenser coil
Verify movement/operation of fan
Verify operation
Verify heat exchanger has not separated
Check indicator
Check connection and possible short/open condition
Verify operation and ohm heater
Verify closure, replace if needed
Take out of Sabbath Mode
Replace control board
Replace light switch
Replace light bulb
Correction
Determine discontinuity by tracing power
Determine discontinuity by tracing power
Correction
Turn on supply
Look for obstructions in line
Look for obstruction in valve
Verify valve operation
Turn on supply
Look for obstructions in line
Look for obstruction in valve
Verify valve operation
Replace water valve
Remove restriction
Repair or replace water valve
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