Viking VCSF036SS Service Book page 17

Symptom
Freezer section too
cold
Unit runs continuously
Unit runs continuously.
Temperature normal
Unit runs continuously.
Temperature too cold
Noisy operation
©2007 Viking Preferred Service
Possible Cause
Freezer temp control set too
cold
Faulty control
Temperature control set too
cold
Dirty condenser or obstructed
grille
Poor door seal
Interior light remains on
Faulty condenser fan or
evaporator fan
Faulty control
Refrigerant shortage or
restriction
Refrigerant overcharge
Air in system
Ice on evaporator
Faulty defrost thermostat
Loose flooring or floor not firm
Cabinet not level
Tubing in contact with
cabinet, other tubing, or other
metal
Drip pan vibrating
Fan hitting another part
Worn fan motor bearings
Compressor mounting
grommets worn or missing.
Mounting hardware loose or
missing
Free or loose parts causing or
allowing noise during
operation
Troubleshooting Chart
Corrective Action
Adjust freezer temperature control.
Test control. Replace if failed.
Adjust temperature control.
Check condenser and grille. Clean.
Level cabinet. Adjust hinges. Replace gasket.
Check switch. Replace if necessary.
Check fan and wiring. Replace if necessary.
Test control. Replace if failed.
Check for leak or restriction. Repair, evacuate and
recharge system.
Check for overcharge. Evacuate and recharge
system.
Check for low side leak. Repair, evacuate and
recharge system.
Defrost unit.
Check thermostat. Replace if necessary.
Repair floor or brace floor.
Level cabinet.
Adjust tubing.
Adjust drain pan.
Ensure fan properly aligned and all attaching
hardware and brackets are tight and not worn. Tighten
or replace.
Check motor for worn bearings. Replace if necessary.
Tighten hardware. Replace grommets if necessary.
Inspect unit for parts that may have worked free or
loose or missing screws. Repair as required.
17