Toshiba MMU-AP0057MH-E Service Manual page 84

[Wireless remote controller trouble]
Was wireless
remote controller used
at the first
Is connection
of lead wire between
CN214 of indoor P.C.board
and RBC-AX32UM
correct?
Replace the RBC-AX32UM
Does wireless remote
controller operate?
End
Yes
No
No
Yes
No
Yes
– 84 –
Use wirelss remote
controller at the first time
after install RBC-AX32UM
Repair the connection.
Replace the indoor P.C.
board (MCC-1643)