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Alarm messages displayed on system controller
Serial
Error in transmitting serial
communication
communication signal
errors
Mis-setting
Error in receiving serial
communication signal
Activation of
Protective device of sub indoor
protective
unit in group control is activated.
device
NOTE
1. Alarm messages in << >> do not affect other indoor unit operations.
2. Alarm messages in < > sometimes affect other indoor unit operations depending on the fault.
Indoor or main outdoor unit is not operating correctly.
Mis-wiring of control wiring between indoor unit, main outdoor unit
and system controller.
Indoor or main outdoor unit is not operating correctly.
Mis-wiring of control wiring between indoor unit, main outdoor unit
and system controller.
CN1 is not connected properly.
When using wireless remote controller or system controller, in
order to check the alarm message in detail, connect wired
remote controller to indoor unit temporarily.
49
C05
C06
P30
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