5. Comm Error 1 OR 2 (cont.)
Comm Error 2: Typically appears when power is incorrectly applied to the
communication circuit, a problem with the local display, OR in some rare cases the
main circuit board.
Test the local display harness
Replace the local display
Step 5C
Step 5D
Inspect the local display wiring harness for damage and
Replace the local display (matching the model number
test continuity (matching wire colors). IF continuity is
inside control door with the replacement part number
found on each wire, go to step 5D. IF not, contact tech
on
pg.
17). IF replacing the display does not solve the
support for a replacement (908)355.7995.
problem, replace the main board
(see pg.
17).
34
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