For Service Technician Use Only
DIAGNOSTICS
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French-Door Bottom Mount Refrigerator
Dispenser and IB Duct Heater (Door) Troubleshooting
Remove dispenser UI and locate Dispenser heater wiring connector (2 wire connector, 1 red, 1 white).
Heater Resistance Checks
•
Disconnect the 2 Pin Connector (Figure 8).
•
Take resistance reading on side leading to visible heater
(Dispenser Heater). Reading should be ≈108 ohms.
•
Take resistance reading on other side of connector (IM Duct
Heater--Door). Reading should be ≈108 ohms.
Run Service Test 70 - Dispenser Heater Test
•
Ensure LED display shows “on”
•
If LED display does not show “on”, replace Dispenser UI.
If all checks are OK and problems persist:
Run Service Test 87 - Dispenser Heater Activation Mode
•
Use up or down arrow to change activation mode to “01”
•
Press the “Icemaker2” key to confirm selection.
Mullion Heater
The Mullion heater resistance can be checked at multiple points. The easiest is under the left hinge cover, or at the heater itself.
Heater Resistance Checks
Check the resistance of the Mullion Heater. Reading
should be ≈17 ohms.
Run Service Test 63 - Vertical Mullion Heater Test
•
Ensure LED display shows “on”
•
If LED display does not show “on”, replace Eyebrow UI.
If all checks are OK and problems persist:
Run Service Test 85 - Vertical Mullion Heater Activation Mode
•
Use up or down arrow to change activation mode to “01”
•
Press the “Icemaker2” key to confirm selection.
J8-2
Dispenser UI
Pin 2
WH
+12.7 VDC
WH
Pin 1
J8-1
Neutral
RD
RD
IM Duct
Heater
Dispenser
Heater
2 Pin Connector
behind Dispenser UI
at Mullion Heater
2 Pin Connector
J2-3
Eyebrow UI
Pin 2
YL
+ 14 VDC
WH
Pin 1
J2-4
Neutral
BK/YL
RD
Mullion
Heater
Pin 1
in 1
P
Pin 2
Pin 2
YL
YL
BK/YL
BK/YL
2 Pin Connector
Left Hinge Cover
behind Dispeser UI
4 Pin Connector
Содержание WRF954CIHB
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