Sub-Zero 400 Series Service & Parts Manual

TROUBLESHOOTING GUIDE
5-16
ICEMAKER TROUBLESHOOTING GUIDE
2. Open heater circuit (module gear should be
turning).
3. Heater not staked into mold completely.
4. Broken cam follower.
6:00 ejector position:
1. No run when jumped between “T” & “H”
ports.
2. Hollow cubes.
3. Insufficient water volume to icemaker.
7:30 ejector position:
1. No run when jumped between “T” & “H”
ports.
2. Ice level arm stuck in ice or obstructed.
3. “Pac-Man” cubes.
11:00 - 2:00 ejector position:
1. No run when jumped between “T” & “H”
ports.
2. Damaged contact fingers.
3. Cubes frozen to fill cup, mold or ice level
arm.
1. Ice bucket out of position.
2. Ice level arm not in actuator.
3. Shut-off lever broken or bypassing.
4. Broken module actuator.
1. Water fill volume too low.
2. Improper freezer air flow.
3. Thermostat out of calibration.
2. Replace mold and heater assembly.
3. Replace mold and heater assembly.
4. Replace icemaker modular head.
1, Replace icemaker modular head.
2. See HOLLOW CUBES below.
3. See LITTLE OR NO WATER TO ICE-
MAKER above.
1. Replace icemaker modular head.
2. Clear obstruction.
3. Check fill cup and fill tube alignment.
1. Replace icemaker modular head.
2. Replace icemaker modular head.
3. Unjam and restart.
1.Reposition ice bucket.
2. Press ice level arm into actuator.
3. Replace icemaker modular head.
4. Replace icemaker modular head.
1. Adjust water fill, or increase supply water
pressure.
2. See GENERAL TROUBLESHOOTING
GUIDE.
3. Replace thermostat (apply fresh alumi-
lastic).
Complaint Possible Cause Correction
Overproduction of
ice
Hollow cubes
No ice/low ice
production
(continued)

Sub-Zero 400 Series Specifications

General

Brand	Sub-Zero
Model	400 Series
Category	Refrigerator
Language	English