R/C Transmission Error; I/U - R/C Communication Error - Toshiba RAV-SM562KRT-E Service Manual

Check code
[E02]
(New code)
* Not indicated on the central controller and outdoor unit 7-segment.
Com. cable between
R/C and I/U connected
properly?
YES
Failure of R/C
transmitter → Replace R/C.
Check code
[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.
Check code name

R/C transmission error

NO
Check code name

I/U - R/C communication error

(detected by I/U)
Signal transmission to indoor unit is
disabled.
No communication from R/C and communication adapter.
– –
38
Possible causes
Correct communication cable.
Possible causes