Panasonic CU-8ME1XPK - PC Board Defect

PACD011001C2 Troubleshooting (OP: Schedule Timer)
Troubleshooting UM Combination “MA1R Series” Using R-407C 549
7.2 PC Board Defect
Remote Controller
Display
M1
Supposed Causes
„
Defect of schedule timer PC board
Troubleshooting
Reset power supply.
Does the system return to
normal?
YES
External factor other than
equipment malfunction (noise
etc.)
Replace the schedule timer PC
board.
(V0843)
NO
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.