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Diagnostic Code
Number
Mode
Comments
04
Customer Control Self
Test
All LEDs and numerical segments on the customer
control will illuminate. Slew keys can be used to return
to diagnostic mode selection. All other buttons can be
used to toggle the status of the associated LED. Each
7-segment display will be incremented with any key
press.
05
Sensor Self Test
Temperature sensors are checked in the following order:
(0) Fresh Food Top - ZIW30 (wine reserve) model only
(reports
O
on non-wine units
(1) Fresh Food Bottom - Fresh Food temperature all units
(2nd bottom zone cooling on
wine units
(2) Freezer Top - Ice Drawer Temperature
(3) Freezer Bottom - Convertible Drawer Temperature
(4) Fresh Food Evaporator Temperature
(5) Freezer Evaporator Temperature
Each sensor number will brie
fl
y be displayed on the
customer control followed by a
P
for pass, (only indicates
some resistance is seen at the main board)
O
for open, or
S
for short.
Extended diagnostic thermistor testing will display the
reported temperature reading of a thermistor. When
checking the temperature, an open thermistor will read
124 degrees, shorted will read 125 degrees in the display.
06
Damper Test
Diagnostic code 6 will cycle all of the air dampers. The
fans will operate in this test so you can check for air
fl
ow
at the vents to verify damper operation. The dampers
cycle in the following sequence:
(1) Fresh Food Top - ZIW30 (wine reserve) models only
(2) Fresh Food Bottom - ZIW30 (wine reserve) models only
(3) Freezer Top - Ice Drawer
(4) Freezer Bottom - Convertible model
To repeat this test press any of the option lines on
the customer control. If the control has reset to the
temperature display mode, re-enter diagnostic mode by
pressing and holding
Lock
and
+
for 5 seconds.
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