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Sub-Zero ICB700 T Series User Manual

Sub-Zero ICB700 T Series
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8-13
Troubleshooting Guides
7005836 - Revision A - January, 2009
International Integrated
International Integrated
(ICB700 T
(ICB700 T
all)
all)
Series
Series
PROBLEM POSSIBLE CAUSE TEST / ACTION
(Continued)
J. Warm Refrigerator
Temperatures without
“SERVICE” Flashing
Pointers:
Refrigerator door must be open
and compressor running for five
minutes.
1. “Sr” appears during Diagnostic
Mode, see:
Unit in Showroom Mode
2. Evaporator Temp -9°C (15°F)
or lower within 5 minutes
w/door open, see:
Door ajar
Lights stay ON
Evaporator fan fault
Compartment or evaporator
thermistor misread
Evaporator heavily frosted
Sealed system fault: leak or
partial restriction
3. Evaporator Temp cannot pull
below -1°C (30°F) within 5
minutes w/door open, see:
Warm food load
High room ambient
Door ajar
Condenser Air Flow
Compartment or evaporator
thermistor misread
Sealed system fault: leak or
inefficient compressor
4. Evaporator Temp 2°C (35°F) or
higher after 5 minutes w/door
open, see:
Condenser Air Flow
Power to compressor fault
Sealed system fault: leak,
restriction or inefficient com-
pressor
NOTE: “Pointers” do not apply to
cabinet initial pulldown from
ambient temperatures.
NOTE: To clear non-flashing
SERVICE indicator after repairs,
press ALARM key for 15 sec-
onds.
Lights ON with Door/ Drawers Closed
a. Top hinge cover missing, not depress-
ing light switch
b. Faulty light switch
Evaporator Fan fault
a. Top hinge cover missing fan switch
b. Fan blade obstructed or out of position
c. Faulty fan switch
(NOTE: A compressor must be running)
d. Evaporator. fan motor disconnected
e. Evaporator fan motor defective
(NOTE: Compressor must be running)
Compartment or Evaporator Thermistor
Misread
Evaporator Heavily Frosted
a. Door or drawer ajar
b. Evaporator fan fault
c. Thermistor misread
Power to Compressor Fault
NOTE: For ICB700TF/I, see Error Code
Troubleshooting Guide
Sealed System Fault
Sealed System Leak
Sealed System Restriction
Inefficient Compressor
a. Replace hinge cover.
b. Check operation of light switches, lights off
when switch is depressed. Replace switch if
defective. (NOTE: there are two light switch-
es in the drawer area)
a. Replace hinge cover.
b. Move obstruction or reposition blade.
c. Check for 230 V AC to fan switch, depress
fan switch and check for 230 V AC from fan
switch. Replace switch if defective.
(NOTE: there are two fan switches in the
drawer area)
d. Check electrical connections of motor.
Reconnect / repair bad connections.
e. Check for 230 V AC at fan motor with fan
switch depressed. Replace motor if defec-
tive.
Check resistance of refrigerator compart-
ment and evaporator thermistors for 30,000
to 33,000 ohms at 0°C (32°F). Replace
thermistor if defective.
a. See Door or Drawer Ajar on previous page.
b. See Evaporator Fan Fault above.
c. See Compartment & Evaporator Thermistor
Misread above.
Check for 230 V AC at E7 and/or E6 on con-
trol board. Replace control board if defec-
tive.
See Sealed System Troubleshooting Guide

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Sub-Zero ICB700 T Series Specifications

General IconGeneral
BrandSub-Zero
ModelICB700 T Series
CategoryRefrigerator
LanguageEnglish

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