Pc Board Defect - Panasonic Urban Multi MX1R Series Service Manual

PACD011001C2
7.2

PC Board Defect

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