7. Service
■ CITY MULTI output contents
[Output pattern A] The abnormal unit (attribute) is an indoor unit, LOSSNAY unit, or outdoor air processing unit.
[Output pattern B] The abnormal unit (attribute) is an outdoor unit or other unit (a unit other than an indoor unit, LOSS-
NAY unit, or outdoor air processing unit).
Beeper sounds/OPERATION
INDICATOR lamp blinks
(Number of times)
1
2
3
4
5
6
7
8
Notes:
1. If the beeper does not sound and the OPERATION INDICATOR lamp remains off after the signal was received when the self-check starts,
there is no error history.
2. If the beeper sounds 3 times continuously "beep, beep, beep (0.4 + 0.4 + 0.4 seconds)" after the signal was received when the self-check
starts, the specified refrigerant address (M-NET address) is incorrect.
M-NET check code
1000 – 1999
2000 – 2999
If the wired remote controller and system controller are not used together,
3000 – 3999
the details of the check codes in the error history can be checked using the
4000 – 4999
LED display of the outdoor PC board.
5000 – 5999
To check the error history of the outdoor unit, refer to the outdoor unit
6000 – 6999
service handbook.
7000 – 7999
0 – 999
Remarks
en
15