Sub-Zero 400 Series Service & Parts Manual

5-15
ICEMAKER TROUBLESHOOTING GUIDE
5j. Damaged heater or thermostat tulips on
module.
5k. Heater pins too short, not contacting
module.
6. Ice level locked in UP position.
7. Ice level arm binds.
7a. Ice in actuator/ice level arm hole.
7b. Housing hole small or burred.
7c. Actuator O.D. large or burred.
7d. Module housing damaged.
7e. Ice level arm misformed.
7f. Hole in fill cup small, misformed or burred.
8. Little or no alumilastic on thermostat.
9. Module not properly secured to housing.
10. Heater not staked into mold completely.
11. Wrong heater voltage.
12. Broken cam follower.
3:00 ejector position:
1. No run when jumped between “T” & “H”
ports.
2. Jammed cube.
3. Icemaker and/or unit not level.
4. No power to icemaker.
5. Excessive water fill volume.
6. Cubes fell back on mold during eject.
4:00 ejector position:
1. Thermostat out of calibration.
5j.Replace icemaker modular head.
5k.Replace mold and heater assembly.
6. Lower ice level arm.
7a.Remove module, clear ice from hole
and dry housing.
7b.De-burr hole or replace icemaker.
7c.Replace icemaker modular head.
7d.Replace icemaker modular head.
7e.Replace ice level arm.
7f.Clear burrs or replace fill cup.
8. Apply fresh alumilastic.
9. Tighten screws (20-26 in/lbs).
10. Replace mold and heater assembly.
11. Replace mold and heater assembly.
12. Replace icemaker modular head.
1. Replace icemaker modular head.
2. Unjam cube and check fill cup and fill
tube alignment.
3. Level as necessary.
4. Trace power, repair wiring.
5. Adjust water fill, or replace water valve,
or decrease supply water pressure.
6. Check fill cup and fill tube alignment.
1. Replace thermostat (apply fresh alumi-
lastic).
Complaint Possible Cause Correction
TROUBLESHOOTING GUIDE
No ice/low ice
production
(continued)

Sub-Zero 400 Series Specifications

General

Brand	Sub-Zero
Model	400 Series
Category	Refrigerator
Language	English