Viking FDSB5481 Service Manual page 50

Diagnostics
To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit, unless test
procedures require power to be connected. Discharge capacitor through a resistor before attempting to service.
Ensure all ground wires are connected before certifying unit as repaired and/or operational.
Ice Problems
Jammed cubes (small or oversized cubes)
Hollow cubes
Ice build-up on ejector blades
Cubes falling back into mold during ejection
Cubes falling over back of ice maker
Power Problems
No power to ice maker at connector socket
No power to water valve
Water Problems
No water to refrigerator
No water to ice maker
Clogged water valve
Insufficient water to ice maker
(with correct fill time)
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
Freezer too warm
50
! WARNING
Adjust fill level or level ice maker or refrigerator
Adjust low fill or remove restrictions in supply line
Level ice maker or refrigerator
Remove obstructions to air flow at fill end so it freezes before
thermostat end
Usually caused by hollow cubes
See hollow cubes above
Remove ice maker, thaw out
Check if fill cup is displaced and blocking ice
Fix fill cup or replace ice maker
Check if fill cup is displaced and blocking ice
Fix fill cup or replace ice maker
Determine discontinuity by tracing power
Determine discontinuity by tracing power
Turn on supply
Look for obstructions in supply line or valve
Look for obstructions in water valve or fill tube
Clean or replace water valve depending on type
Check for restrictions in supply line and valve, especially saddle
valves
Increase water pressure to 20 – 120 PSI
Look for restrictions in line
Install pressure regulator and set to 60 PSI
Adjust water fill screw, clear obstructions in supply line or supply
valve, or replace water valve
Adjust water fill screw, reduce water pressure, or replace water
valve
Reposition fill-tube in fill cup or remove obstruction in fill cup
Adjust water fill screw, level ice maker or refrigerator, reduce
water pressure, or replace water valve or ice maker
Tighten connections or replace water valve
Adjust freezer setting or repair refrigerator
Action
Action
Action
Action
©2012 Viking Preferred Service