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Possible causes
R/C transmission error
Signal transmission to indoor unit is
disabled.
[E02]
(New code)
Com. cable between
R/C and I/U connected
properly?
YES
NO
Correct communication cable.
Failure of R/C
transmitter → Replace R/C.
Check code
Check code name
Possible causes
I/U - R/C communication error
(detected by I/U)
No communication from R/C and communication adapter.
[E03]
(New code)
Indoor unit (I/U) detects this error when it cannot receive signals from remote controller (R/C).
Check communication wiring of R/C A and B.
This code E03 is not displayed on the R/C because of communication error.
This code is displayed on the TCC-LINK central controller.
* Not indicated on the central controller and outdoor unit 7-segment.
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