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Service Diagnostics and Procedures
Troubleshooting Guide
Below and on the following page are some general guides should a problem be detected. Please refer to the
test procedures in this manual to determine the defective component.
Problem
Clicking
Air rushing or whirling
Gurgling or boiling sound
Thumping
Vibrating noise
Unit will not operate
Ice maker will not operate Freezer too warm
Refrigerator too warm
Refrigerator too cold
Freezer too warm
Freezer too cold
© 2010 Viking Preferred Service
Probable Cause
Freezer controls clicks when
starting or stopping compressor
Condenser fan makes this noise
while operating
Freezer fan makes this noise
while operating
Freezer fan slows to a stop as the
freezer door is opened
Evaporator and heat exchanger
refrigerant make this noise when
flowing
Ice cubes from Ice maker drop
into ice bucket
Dispenser ice chute closing
Compressor makes a pulsating
sound while running
Power Supply
Circuit Breaker
Power Switch
Shut off arm
Water valve
Water supply
Door opening
Warm food placed in unit
Control setting
Door seal
Airflow
Condenser/Evaporator fan
Control setting
Control board
Airflow
Control setting
Door seal
Dirty condenser
Control board
Temperature setting
Defrost thermostat
Control board
Correction
Normal operation
Normal operation
Normal operation
Normal operation
Normal operation
Verify voltage
Reset breaker
Turn to the on position
Verify freezer temperature
Verify the arm is in the "ON" position
Verify valve operation
Verify water supply
Minimize door openings
Allow temperatures to stabilize
Move control to medium setting
Verify closure, replace if needed
Ensure airflow is not obstructed
Verify movement/operation of fan
Move control to medium setting
Verify proper operation
Verify airflow is proper
Move control to medium setting
Verify closure, replace if needed
Clean condenser coil
Verify operation
Move to medium setting
Verify thermostat is closing
Verify operation
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