Viking VCFF136D Service Manual page 75

Service Diagnostics and Procedures
Troubleshooting Guide (continued)
Temperature Problems Probable Cause
Freezer too cold
Ice Maker Problems
Ice maker will not operate
Jammed cubes (small or
oversized cubes)
Hollow cubes
Ice build-up on ejector
blades
Cubes falling back into
mold during ejection
Raised shut-off arm
Broken or bent shut-off
arm
Shut-off arm stuck or
obstructed
Ice maker not level
Thermostat defective
Ice stuck–Heater not
working
Won't cycle test with
power available
Won't eject ice with power
available
© 2010 Viking Preferred Service
Temperature setting
Defrost thermostat
Control board
Thermistor
Probable Cause
Freezer too warm
Shut off arm
Water valve
Water supply
Unit/ice maker not level
Water fill not proper
Low water in mold (Thermostat
short cycle)
Unit/ice maker not level
Obstructions in fill tube
Low water pressure
Clogged filter
Hollow cubes
Ice maker froze up
Fill level
Small cubes
Fill cup displaced
Shut-off arm in "OFF" position
Shut-off arm
Ice maker housing broken
Shut-off arm obstructed
Unit not level
Ice maker not level
Thermostat
Defective heater
Ice maker
Ice maker
Correction
Move to medium setting
Verify thermostat is closing
Verify operation
Verify operation
Correction
Verify freezer temperature
Verify the arm is in the "ON position
Verify valve operation
Verify water supply
Level ice maker or unit
Adjust water fill level
Replace ice maker thermostat
Level ice maker or unit
Remove obstructions in fill tub end
Remove obstructions in fill tube
Replace filter
See hollow cubes above
Remove ice maker and allow to thaw
Adjust water fill level
Check fill level
Align fill cup
Lower shut-off arm to "ON" position
Repair /Replace shut-off arm
Replace ice maker
Remove obstruction
Level unit
Level ice maker
Replace thermostat
Replace ice maker
Refer to ice maker test procedures (page 51)
Refer to ice maker test procedures (page 51)
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