Sub-Zero INTEGRATED Series Service Manual page 77

Troubleshooting
ERROR CODE TROUBLESHOOTING GUIDE
ERROR CODE
30 A. Check for jammed cube in icemaker.
B. Reference wiring diagram to identify components in same White wire circuit as water valve solenoid.
40 A. If Error Code 07, 20, 21, 22, 23, or 24 is also displayed during Diagnostic Mode, see Test/Actions
B. Check for obstructions to freezer door/drawer closing. Remove obstruction.
C. Check cleanliness of condenser. Clean if needed.
D. Check for obstruction to condenser fan blade or loose fan blade. Remove obstruction/Tighten Blade.
E. Check evaporator fan blade position and for obstructions. Reposition if incorrect/Remove obstruction.
F.
G. With unit on, check to see if lights shut off when light switch is depressed. Repair defective wiring or
H. With freezer compressor running:
I.
J.
50 A. If Error Code 05, or 06 is also displayed during Diagnostic Mode, see Test/Actions under that code.
B. Check for obstructions to refrigerator door closing. Remove obstruction.
C. Check cleanliness of condenser. Clean if needed.
D. Check for obstruction to condenser fan blade or loose fan blade. Remove obstruction/Tighten Blade.
E. Check evaporator fan blade position and for obstructions. Reposition if incorrect/Remove obstruction.
F.
G. With unit on, check to see if lights shut off when light switch is depressed. Repair defective wiring or
H. With "refrigerator" compressor running AC line voltage from control board to condenser fan. Repair
I.
J.
NOTE: After repairs, always clear Error Codes by pressing Bell ON/OFF key for 15 seconds.
#7015817 - Revision A - January, 2010
INTEGRA
INTEGRA
Check all White wire electrical connections and continuity from water valve solenoid to J7-8 on control
board.
under that code.
Check resistance of freezer compartment thermistor - 30,000 to 33,000 ohms at 32°F (0°C). Replace
if defective.
replace defective switch.
1. (Model 736TFI Only) Check for AC line voltage from compressor to condenser fan. Repair defec-
tive wiring or replace defective motor.
2. (All Models Except 736TF/I) Check for AC line voltage from control board to condenser fan.
Repair defective wiring, or replace defective motor, or replace defective board.
With freezer compressor running and upper switches depressed (or lower switch not depressed)
check for AC line voltage from compressor to evaporator fan motor. Repair wiring, or replace defec-
tive switch, or relay, or fan motor.
Check sealed system for leaks, restrictions or inefficient compressor.
Check resistance of refrigerator compartment thermistor - 30,000 to 33,000 ohms at 32°F (0°C).
Replace if defective.
replace defective switch.
defective wiring, or replace defective motor, or replace defective board.
With "refrigerator" compressor running and upper switches depressed (or lower switch not depressed)
check for AC line voltage from compressor to evaporator fan motor. Repair wiring, or replace defec-
tive switch, or relay, or fan motor.
Check sealed system for leaks, restrictions or inefficient compressor.
TED
TED
(736 T (736 T all SWS #2970000) all SWS #2970000)
TEST / ACTION
8-4
SERIES
SERIES