Indoor Unit: Malfunction Of Swing Flap Motor (M1S) - Panasonic Urban Multi MX1R Series Service Manual

Troubleshooting
3.5 Indoor Unit:
A7
Remote Controller
Display
„ Defect of swing motor
Supposed Causes
„ Defect of connection cable (power supply and limit switch)
„ Defect of air flow direction adjusting flap-cam
„ Defect of indoor unit PC board
Troubleshooting
502
Malfunction of Swing Flap Motor (M1S)
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Indoor unit
is a model equipped with
a swing flap function
YES
The swing
motor works when
the power supply is turned off
and then back on.
NO
After
turning
the swing-flap
ON and then
stopping with the
remote controller, the
voltage of X6A of the indoor
unit PC board is 220 ~ 240 VAC
(60 Hz) / 220 VAC (50 Hz)
when turnedon again
(within 30 seconds
of turning on
again).
YES
The connecting cable
has no continuity.
NO
When
the air flow
direction flap's cam
mechanism is disconnected from
the swing motor, operation
is normal when turned
on again.
YES
NO
The connector
YES
is connected to X9A of
the indoor unit PC
board.
YES
The limit switch
functions normally.
YES
The connecting
cable is short-circuited
or disconnected.
NO
NO
YES
NO
Troubleshooting UM Combination "MA1R Series" Using R-407C
PACD011001C2
Replace indoor unit PC board.
NO
Connect the connector to X9A and
turn on again.
NO
Replace swing motor.
YES
Replace the limit switch connecting
cable.
Replace indoor unit PC board.
Replace the power supply connecting
cable.
Replace swing motor.
Take the cam mechanism apart,
reassemble and turn on again.
(VF032)