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Sub-Zero 400 Series Service & Parts Manual

Sub-Zero 400 Series
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TROUBLESHOOTING GUIDE
5-8
External moisture.
Questions:
Where is the moisture?
What are the ambient condi-
tions?
Are two units installed side-
by-side?
No ice.
Air infiltration/high humidity.
1. Door/drawer not closing.
2. High usage.
3. High relative humidity.
4. Dual unit install package not used
or faulty.
Inoperative or faulty
icemaker system.
1. No water line run to unit.
2. Ice maker system shut off.
3. Freezer too warm.
4. Jammed ice cube.
5. Ice bucket out of position.
6. Icemaker/drawer switch faulty.
7. Ice maker faulty.
1. See DOOR/DRAWER NOT CLOSING
above.
2. Instruct customer.
3. Instruct customer.
4. Check for dual unit install package. If
present, check for 115V at wire harness
by compressor. If no 115V, repair wiring.
If 115V is present, check resistance of
heater (263-313 ohms tall unit heater,
540-640 ohms base unit heater).If resis-
tance is outside range, repair wiring or
replace heater.
1. Instruct customer to contact plumber.
2. Press ICE key.
3. Press COLDER key.
4. Remove jammed cube.
5. Make sure ice bucket depresses ice
maker/drawer switch below icemaker
when drawer closes.
6. Check resistance of icemaker/drawer
switch with switch depressed. If open
while depressed, replace switch. If
switch is OK, check and repair wiring.
7. See ICEMAKER TROUBLESHOOTING
GUIDE.
Complaint Possible Cause Correction
GENERAL TROUBLESHOOTING GUIDE

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Sub-Zero 400 Series Specifications

General IconGeneral
BrandSub-Zero
Model400 Series
CategoryRefrigerator
LanguageEnglish

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