No Lights; Drawers Not Able To Close Completely; Aa. Drawers Uneven - Wolf Sub-Zero ICB400 Series Service Manual

International W
International W
PROBLEM
X. No Lights
Y. Lights Stay ON when
Drawers Closed - (May be
Accompanied by /Drawer
Ajar Alarm)
Z. Drawers Not Able to Close
Completely

AA. Drawers Uneven

ine Storage
ine Storage
POSSIBLE CAUSE
No power to unit
Unit switched OFF
Unit in Sabbath Mode
Defective or loose light bulb(s)
Light Switch Disconnected or Defective
Lighting System Wiring Disconnected
or Defective
No Power From Control Board
(NOTE: See Unit in Sabbath Mode above.)
Door or Drawer Ajar
a. Food product obstruction
b. Drawer closer tripped backwards
Faulty Light Switch
Food Product Obstruction
Drawer Closer Tripped Backwards
Improper Drawer Panel Installation
Unit Not Level
7-17
Series
Series
(ICB400)
(ICB400)
Check / correct power supply to unit.
Switch unit ON, press POWER key.
Exit Sabbath Mode, press POWER key.
Install a known good light bulb.
Check wire connections at light switch.
Reconnect/repair. Check for 230V AC to
and from light switch. Replace switch if
defective.
Check continuity from light sockets to
switch. Reconnect/repair or replace defec-
tive components.
Check for 230V AC from control board.
Replace board if defective.
(NOTE:
a. Move obstruction.
b. Trip drawer closer forward
Check operation of light switches, lights off
when switch is depressed. Replace switch
if defective.
unit)
Move obstruction.
Trip drawer closer forward
The drawers are non-adjustable. Instead,
the drawer panels must be adjusted if there
is an alignment problem. Refer to the
Installation Manual and/or installation video
for panel installation and adjustment.
Check levelness of unit. If un-level, turn
front leveling legs counterclockwise to raise
front or clockwise to lower it. Rear levelers
are adjusted from front of base by turning
adjusting screw clockwise to raise rear or
counterclockwise to lower it. Refer to the
Installation Manual and/or installation video
for complete installation and leveling instruc-
tions.
7011544 - Revision A - November, 2008
TroubleShoot Guide
TEST / ACTION
See Unit in Sabbath Mode above.)
(NOTE: Two light switches in