© 2010 Viking Preferred Service
57
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
Probable Cause
Correction
Clicking
Freezer controls clicks when
starting or stopping compressor
Normal operation
Air rushing or whirling
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
Normal operation
Gurgling or boiling sound
Evaporator and heat exchanger
refrigerant make this noise when
flowing
Normal operation
Thumping
Ice cubes from Ice maker drop
into ice bucket
Dispenser ice chute closing
Normal operation
Vibrating noise
Compressor makes a pulsating
sound while running
Normal operation
Unit will not operate
Power Supply
Circuit Breaker
Power Switch
Verify voltage
Reset breaker
Turn to the on position
Ice maker will not operate
Freezer too warm
Shut off arm
Water valve
Water supply
Verify freezer temperature
Verify the arm is in the “ON” position
Verify valve operation
Verify water supply
Refrigerator too warm
Door opening
Warm food placed in unit
Control setting
Door seal
Airflow
Condenser/Evaporator fan
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
Refrigerator too cold
Control setting
Control board
Airflow
Move control to medium setting
Verify proper operation
Verify airflow is proper
Freezer too warm
Control setting
Door seal
Dirty condenser
Control board
Move control to medium setting
Verify closure, replace if needed
Clean condenser coil
Verify operation
Freezer too cold
Temperature setting
Defrost thermostat
Control board
Move to medium setting
Verify thermostat is closing
Verify operation