150
Check code name
Remote controller sending error
Cause of operation
Signal could not be sent to indoor unit.
Check the communication wire of the remote
controller.
* It is not displayed on 7-segment display of the central control controller.
Check code
[E03] / [97]
(d07 / AI-NET)
Check code name
Communication error between
indoor and remote controller
(Detected at indoor side)
Cause of operation
No communication from remote controller and
communication adaptor
This error is detected when the indoor unit cannot receive a signal from the remote controller.
Check communication cables of the remote controllers A and B.
As communication is impossible, this check code [E03] is not displayed on the main remote controller.
It is displayed on TCC-LINK central controller.
Check code
[E02] / [–]
(d07 / AI-NET)
YES
NO
Is communication cabling between
remote controller and indoor unit correct?
Sending circuit error
inside of the remote controller
Replace remote controller.
Correct the communication cabling.
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