Viking VCSF036SS - Troubleshooting Common Issues (Continued); Temperature Regulation Problems; Unit Cycling and Airflow Issues

Troubleshooting Chart
16 ©2007 Viking Preferred Service
Symptom Possible Cause Corrective Action
Excessive door opening Consumer education.
Overloading of shelves Consumer education.
Warm or hot foods placed in
cabinet
Consumer education.
Cold control set too warm Set control to colder setting.
Poor door seal Level cabinet. Adjust hinges. Replace gasket.
Refrigerator airflow Check damper is opening by removing grille. With
door open, damper should open. Replace if faulty.
Interior light remains on Check switch. Replace if necessary.
Faulty condenser fan or
evaporator fan
Check fan and wiring. Replace if necessary.
Refrigerator section too
warm
Faulty compressor Replace compressor.
Refrigerator temperature
control set too cold
Adjust refrigerator temperature control. Refrigerator section too
cold
Refrigerator airflow not
properly adjusted
Check air flow.
Defrost thermostat faulty Check defrost thermostat. Replace if failed.
Evaporator fan faulty Check fan motor. Replace if failed.
Defrost heater remains open Check defrost heater continuity. Replace if failed.
Defrost control faulty Check control and replace if failed.
Open wire or connector Check wiring and connections. Repair as necessary.
Frost or ice on
evaporator
Refrigerant shortage or
restriction
Check for leak or restriction. Repair, evacuate and
recharge system.
Loose wire or thermostat
connections
Check wiring and connections. Repair as necessary.
Supply voltage out of
specification
Check input voltage. Correct any supply problems.
Overload protector open Check overload protector for continuity. If open,
replace overload. Ensure overload/compressor are
below trip temperature before testing.
Faulty compressor motor
capacitor (some compressors
do not require motor
capacitor)
Check capacitor for open/short. Replace if necessary.
Discharge capacitor before testing.
Faulty fan motor Check fan motor. Replace if failed.
Restricted air flow Check condenser and grille for dirt. Clean.
Unit starts and stops
frequently (cycles on
and off)
Refrigerant shortage or
restriction
Check for leak or restriction. Repair, evacuate and
recharge system.