Viking RDDFF236 Service Manual page 55

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