55
Service Diagnostics and Procedures
© 2012 Viking Preferred Service
Troubleshooting guide (continued)
Water problems
probable Cause
Correction
Low water pressure at
supply
Low water pressure
Increase water pressure to 20 – 120 PSI
Low water pressure at
water valve
Restrictions in line
Remove restrictions
Excessive water pressure High water pressure
Install pressure regulator and set to 60 PSI
Low water fill volume
Ice maker fill setting
Obstructions
Water valve
Adjust water fill screw at ice maker
Clear obstructions in supply line or supply valve
Replace water valve
Excessive water fill
volume
Ice maker fill setting
Water pressure
Water valve
Ice make
r
Adjust water fill screw at ice maker
Reduce water pressure
Replace water valve
Replace ice maker
Water overflows fill cup
Fill tube
Obstruction
Reposition fill tube in fill cup
Remove obstruction in fill cup
Water overflows mold
Ice maker fill setting
Water pressure
Water valve
Ice maker
Unit or ice maker not level
Adjust water fill screw at ice maker
Reduce water pressure
Replace water valve
Replace ice maker
Level ice maker or refrigerator
Leaky water valve
Connections
Water valve
Tighten connections
Replace water valve
Temperature problems probable Cause
Correction
Refrigerator too warm
Control setting
Door seal
Airflow
Condenser/evaporator fan
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
Condenser fan
Control board
Defrost heater
Thermistor
Move control to medium setting
Verify closure, replace if needed
Clean condenser coil
Verify operation and no obstructions
Verify operation
Verify operation
Verify operation
Freezer too cold
No continuity
Determine discontinuity by tracing power
