33
EN
Americana and New Generation Refrigerators
Service Procedures
3. Gain access to the back of the upper control module
and disconnect the communication wire harness.
4. Pull the defective communication wire harness out of
the refrigerator.
5. Route the new communication wire harness through
the box of the refrigerator.
6. Perform these steps in reverse to complete the
replacement.
8.9 Testing a Lower Control Module
Fuse for Continuity
q
w
9
Removing and Testing the Fuse
q
Fuse
w
Lower Control Module
1. Perform the steps in “Replacing the Lower Control
Module” on page 33 to access the lower control
module.
2. Remove the fuse from the lower control module.
– For a cartridge fuse, touch a lead of the multi-
meter to each side of the fuse.
– For a blade fuse, attach a lead to each connector.
The reading should show continuity. If it shows no
continuity, it indicates a blown fuse.
I
Consult the operating manual for the multi-meter
for specific device function.
8.10 Replacing the Lower Control
Module
10
Removing the Lower Control Module
q
Screw
w
Lower Control Module
1. Disconnect the unit from all power sources (120 VAC
and 12 VDC).
2. Make a note of the wire locations on the control
module and remove all the connected terminals.
3. Locate and remove the screws securing the module
to the refrigerator wall.
4. Remove the defective module.
5. Perform these steps in reverse with a new lower
control module to complete the replacement.
w
q
