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[E03 error] (Master indoor unit)
[E03 error] is detected when the indoor unit cannot receive a signal from the wired remote controller.
[F29 error]
This check code indicates a detection error of IC503 non-volatile memory (EEPROM) on the indoor unit P.C.
board, which generated during operation of the air conditioner. Replace the service P.C. board.
[P31 error] (Follower indoor unit)
When the master unit of a group operation detected [E03], [L03], [L07] or [L08] error, the follower unit of the
group operation detects [P31 error] and then the unit stops.
There is no display of the check code or alarm history of the wired remote controller. (In this model, the mode
enters in automatic address set mode when the header unit detected [L03], [L07] or [L08] error.)
(Power ON)
[SET] is displayed on
wired remote controller.
[SETTING]
goes off.
LED (D501) on indoor unit
P.C. board flashes with
1Hz for approx. 10 seconds.
Reboot
(Reset)
(Repetition)
(Approx.
3 minutes)
(Approx.
1 minute)
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