Wolf Sub-Zero ICB400 Series Service Manual page 101

TroubleShoot Guide
General Troubleshooting Guide
The Table of Contents below indicates how the General Trouble Shooting Guide is arranged.
1. As close as possible, match the complaint, or description of the problem the unit is experiencing with those in
the table of contents below.
2. To the left of the problem description below, take note of the letter.
3. Locate that letter in the left column of the General Troubleshooting Guide.
a. In the center column of the General Troubleshooting Guide is a list of possible causes for the problem.
b. The information in the right column explains explains what tests and/or corrective actions to perform.
NOTE: If the complaint, or problem is warm temperatures, or temperatures too cold, in a wine storage compart-
ment, be sure to complete a Temperature Problem Diagnostic Worksheet on the preceding pages before continuing.
NOTE: All key strokes necessary to help in diagnosing a problem are explained in section 3 of this manual.
Ltr Problem Description
A. "SERVICE" Flashing ..............................................................................................................................................................7-11
B. Warm Temperature in Both Wine Storage Compartments ....................................................................................................7-11
C. Warm Temperature in Only One Wine Storage Compartment ..............................................................................................7-12
D. Actual vs. Displayed Temperature Over 10° Different ..........................................................................................................7-13
E. Actual vs. Displayed Temperature Less Than 10° Different..................................................................................................7-13
F. Excessively Cold Temperatures in Both Wine Storage compartments ................................................................................7-13
G. Excessively Cold Temperatures in Only One Wine Storage compartment ..........................................................................7-13
H. Lights Stay ON ......................................................................................................................................................................7-13
I. No Lights ..............................................................................................................................................................................7-13
J. Control Panel Keys Malfunctioning ......................................................................................................................................7-14
K. No LED's ..............................................................................................................................................................................7-14
L. All LED's Lit ..........................................................................................................................................................................7-14
M. Same LED Segments Missing from Both Display Windows ................................................................................................7-14
N. LED Segments Missing from Only One Display Window......................................................................................................7-14
O. Door / Unit Un-level ..............................................................................................................................................................7-14
ICB427R Refrigerator Section Troubleshooting Guide Table of Contents
Ltr Problem Description
P. "EE" Displayed in place of Refrigerator Temperature with "SERVICE" Flashing ..................................................................7-15
Q. Warm or Normal Temperatures Displayed with "SERVICE" Alone Flashing ........................................................................7-15
R. Warm or Normal Temperatures Displayed with non-flashing "SERVICE" Displayed............................................................7-15
S. Erratic Temperatures with or without "SERVICE" Flashing ..................................................................................................7-15
T. Warm Refrigerator Temperatures, "SERVICE" not displayed or Flashing ............................................................................7-15
U. Product Temperature 10° or More Colder than Displayed Temperature ..............................................................................7-16
V. 1. "Extremely" Cold Temperatures Displayed (1° to 7° in Refrigerator)................................................................................7-16
2. If outside US - "Extremely" Warm Temperatures Displayed (34° to 45° in Refrigerator)
W. No LCD..................................................................................................................................................................................7-16
X. No Lights ..............................................................................................................................................................................7-17
Y. Lights Stay ON when Drawers Closed - (May be Accompanied by Drawer Ajar alarm) ......................................................7-17
Z. Drawers Not Able to Close Completely ................................................................................................................................7-17
AA. Drawers Uneven....................................................................................................................................................................7-17
Sealed System Diagnostic Tables..................................................................................................................................................7-18
Wine Storage Membrane Switch Ribbon Cable Test ....................................................................................................................7-19
Model ICB427R Refrigerator Membrane Switch Ribbon Cable Test ............................................................................................7-20
7011544 - Revision A - November, 2008
International W
International W
Wine Storage Troubleshooting Guide Table of Contents
ine Storage
ine Storage
(ICB400)
(ICB400)
7-10
Series
Series
Page #
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