Sub-Zero 632/F User Manual

Troubleshooting Guides
600 Series
(Prior to #1810000)
8-6
#3756270 - Revision B - January, 2006
Evaporator heavily frosted
(NOTE: To manually initiate defrost, press and
hold the ICE key for approximately 10 seconds)
a. Evaporator fan malfunction
b. Defrost heater disconnected or faulty
c. Defrost terminator disconnected or
faulty
d. Defrost Sense line disconnected
e. No power from control board
Thermistor Malfunction
Power To Compressor fault
a. Compressor wiring disconnected.
b. Compressor electricals disconnected or
faulty
c. No power from control board
• Sealed System leak
• Sealed System restriction
• Inefficient compressor
• Non-operating compressor
Door ajar
a. Gallon door shelf obstruction
b. Food product obstruction
c. Door out of adjustment
d. Door or cabinet hinge problem
(Continued - see Pointers on previ-
ous page)
B. Warm Freezer Temperatures
w/o “VACUUM CON-
DENSER” illuminated.
C. Warm Refrigerator
Temperatures w/ “VACUUM
CONDENSER” flashing
(NOTE: To clear error indicator after
repairs, power OFF, then back ON)
See Pointers on next page
a. See Evaporator Fault on previous page.
b. Check electrical connections and heater = 20
Ohms. Reconnect or replace if defective.
c. Check electrical connections, reconnect/repair or
replace if defective.
d. With unit in defrost, check DEF SEN electrical con-
nection at control board for 115V. Reconnect or
repair connection if defective.
e. With unit in defrost, check DEF HTR terminal at con-
trol board for 115V. Replace board if defective.
Check thermistor connection and thermistor Ohms =
32,500 at 32°F and 10,000 at 77°F. Repair connection or
replace thermistor if defective.
a. Check wiring at compressor, reconnect or repair.
b. Check compressor electricals. Replace if defective.
c. Check F COMP terminal on control board for 115V.
If no power, replace board.
• See following SEALED SYSTEM TROU-
BLESHOOTING GUIDE
a. Relocate shelf(s).
b. Move obstruction
c. Adjust door.
d. Replace hinge or component,
Problem Possible Cause Test/Action

Sub-Zero 632/F Specifications

General

Brand	Sub-Zero
Model	632/F
Category	Refrigerator
Language	English