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276
20.8: Service Bulletin # 41014242
Miscellaneous Control Communication Errors
Models Affected: All
Serial Number Range: All
Complaint: Unidentifable errors seen on the User Interface display.
Other possible errors are:
1. A simutaniously flashing VAC and (dash) –
2. A flashing (dash) –
3. The display showing 00 with a flashing Power Failure
The above three errors are caused by some degree of either loose, broken, or shorted wiring in
the communication cable.
Communication cables are foamed inside both the door and the cabinet. A broken wire inside
either the door or cabinet can not be repaired.
The photos to the left show a
definite communication error (cE),
the result of this was a broken
brown wire in the cable itself. This
can occur inside a connector at
the user interface, the bottom of
the door, the main control board,
or a broken wire anywhere in the
cable itself.
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