Ice Maker Troubleshooting Chart - Norcold 121X Series Service Manual

Ice Maker Troubleshooting Chart

Symptom
Not cycling and no
ice in mold.
Not cycling / ice in
mold.
Excessive frost
on and around ice
maker.
Not cycling / AC
power available
Water spilling over
ice maker mold.
Ice maker trips GFI
86
S 10
ection
Probable Cause
1. No AC power available.
2. No water available.
3. Water valve strained clogged.
4. Water valve failed to open.
1. Shut-off arm in OFF position.
2. No AC power available.
3. Leaky water valve.
4. Jammed ice cubes.
5. Mold heater open -no resistance.
6. Module thermostat faulty.
7. Excessive mineral deposits
buildup in mold
1. Air entering freezer
compartment.
2. Open container(s) in freezer.
1. Mold heater failed open
2. Stepper motor failure
3. Mold thermostat faulty.
4. Thermal fuse open.
1. Ice jam with cycle in fill position.
2. Leaky water valve.
3. Mold thermostat failure.
4. Stepper motor failure.
1. Excessive frost buildup behind
ice maker.
2. Connection at water valve
wrong.
3. Harness contacts wet and
corroded.
4. Mold heater shorted to ground.
Solution
1. Restore AC power.
2. Restore water pressure.
3. Clean water valve strainer.
4. Check solenoid coil connections
and resistance.
1. Lower to ON position.
2. Restore AC power.
3. Replace water valve
4. Check for bent shut-off arm
5. Replace ice maker.
6. Replace ice maker.
7. Clean mineral deposits buildup in
mold.
1. Check freezer door gasket /wire
harness Permagum seal.
2. Containers that contain liquids have
to be sealed prior to placing in
freezer.
1. Replace ice maker.
2. Replace ice maker.
3. Replace ice maker.
4. Replace wire harness.
1. Clear jammed ice cubes..
2. Replace water valve
3. Replace ice maker.
4. Replace ice maker.
1. Defrost freezer/remove and dry ice
maker connection and module.
2. Correct connection at water valve
solenoid coil.
3. Remove ice maker to clean and dry
contacts .
4. Check mold heater for short..