Toshiba SUPER MMK-AP0073H (IN) Service Manual page 75

Check code
[E02] / [–]
(Current code / AI-NET)
∗ It is not displayed on 7-segment display of the central control controller.
Is communication cabling between
remote controller and indoor unit correct?
YES
Sending circuit error
inside of the remote controller
→ Replace remote controller.
Check code
[E03] / [97]
(Current code / AI-NET)
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 name
Remote controller
sending error
NO
Check code name
Communication error between
indoor and remote controller
(Detected at indoor side)
Cause of operation
Signal could not be sent to indoor unit.
Check the communication wire of the remote controller.
Correct the communication cabling.
No communication from remote controller and
communication adaptor
75
Cause of operation