Service" Flashing; Warm Temperature In Both Wine Storage Compartments - Wolf Sub-Zero ICB400 Series Service Manual

International W
International W
PROBLEM
A. "SERVICE" FLASHING
B. WARM TEMPERATURE IN
BOTH WINE STORAGE
COMPARTMENTS
ine Storage
ine Storage
POSSIBLE CAUSE
See Error Code Troubleshooting Guide
Control Set Too Warm
Unit in Showroom Mode
Unit Recently Energized
Unit Recently Stocked with Wine
High Room Ambient
Door Ajar
a. Wine Rack Obstruction
b. Door out of Adjustment
c. Door or Cabinet Hinge Problem
Condenser Air Flow / Fan Fault
a. Dirty Condenser
b. Fan Blade Loose or Obstructed
c. Fan Motor Disconnected or
Malfunctioning
Evaporator Fan Circuit Fault
a. Fan Switch(es) Disconnected or
Malfunctioning
b. No Power from Control Board
No Power from Control Board to
Compressor
Compressor Fault
a. Compressor Electricals Disconnected
or Malfunctioning
b. Compressor Inefficient, or Locked
Sealed System Leak or Restriction
7-11
Series
Series
(ICB400)
(ICB400)
See Error Code Troubleshooting Guide
Check set-points. Adjust set-points COLDER
Adjust set-points colder, listen for compressor
& condenser fan operation. If they do not run,
switch unit OFF, then press and hold upper
COLDER & WARMER keys while pressing
POWER key.
Allow time for unit to pull down
Instruct customer
Instruct Customer that unit performs best
between 16°C (60°F) - 32°C (90°F)
a. Adjust wine rack
b. See Door Adjustment procedure in section
2 of this manual.
c. Check hinges. Replace if defective.
a. Check/clean condenser.
b. Tighten blade or move obstruction.
c. Check fan motor operation. Check fan
motor electrical connections back to com-
pressor. Check for 230V AC from fan
motor to compressor. Reconnect or repair
wires, or replace motor if defective.
a. Check fan switch electrical connections.
Check for 230V AC to and from switch.
Reconnect or replace switch if defective.
b. Check for 230V AC at J3 on control board.
(NOTE: Unit must be running and not in
Showroom Mode) If no power, replace
board.
Initiate Manual Valve Activation Mode, check
for 230V AC at E2 on the control board. If no
power, replace board.
a. Check integrity of compressor electricals.
Check continuity back to control board.
Check for 230V AC at E2 on control board.
Correct wiring problems or replace com-
pressor electricals if defective. If no power
between at E2 , replace control board.
b. Check AMP draw on compressor. If high
by 15% or more, replace compressor.
SEE SEALED SYSTEM DIAGNOSTIC
INFORMATION
7011544 - Revision A - November, 2008
TroubleShoot Guide
TEST / ACTION