Outdoor Unit: Actuation Of Safety Device - Panasonic Urban Multi MX1R Series Service Manual

Troubleshooting
3.13 Outdoor Unit:
E0 E0 E0 E0
Remote Controller
Display
„ Actuation of outdoor unit safety device
Supposed Causes
„ Defect of outdoor unit PC board
„ Instantaneous power failure
Troubleshooting
∗ 1: Actuation of magnet switch OC
Defect of compressor
Power supply insufficient
Defect of magnet switch, etc.
∗ 2: Actuation of fan motor safety thermostat
Defect of fan motor
Defect of capacitor, etc.
356
Actuation of Safety Device
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Connector
or terminal is
NO
connected to X8A - X9A of
the outdoor unit PC board
(A1P) and
X1S - X2S.
YES
Contacts
YES
F2C (X1S - X2S) are open.
NO
Contact
YES
Q1M (X8A) or Q2M (X9A)
is open.
NO
Operation
YES
is normal when turned on
again by remote
controller.
NO
Troubleshooting Urban Multi "MX1R, ME1R Series" Using R-407C
PACD011001C2
Connect the connector or terminal and
turn on again.
Actuation of magnet switch
OC for standard compressor. ∗1
Actuation of fan motor safety
thermostat. ∗2
There was an instantaneous power
failure or a past safety device actuated.
Re-check refrigerant system.
Replace outdoor unit PC board A1P.
(VF040)