Toshiba RAV-SM1102BT-E C06 error Central controller, Can handy remote controller control

[C06 error] (Central controller)

NO

Is U3, U4 communication line normal?

YES

Correct communication line.

Are connections between connectors CN51 of connection interface P.C. board and connectors CN51 of indoor P.C. board normal?

YES

Is A, B communication line normal?

YES

Is there no connection error of power line?

NO

Is not power of source power supply turned on?

NO

Did a power failure occur?

NO

Is there no noise source, etc.?

NO

Can central remote controller

control normally other indoor units?

Is handling of central remote controller reflected

on the operation status of indoor unit?

YES

NO

NO

YES

YES

YES

YES

NO

(Same as others)

Correct connection of connector.

Check connections of A, B terminal blocks. Correct communication line of remote controller.

Correct power cable.

Turn on the source power supply.

Clear the check code.

Eliminate noise, etc.

Check central controller.

Defect → Replace

Can handy remote controller control		NO
normally other indoor units?
	YES

Check connection interface P.C. board.

Defect → Replace

Check indoor P.C. board (MCC-1402). Defect → Replace

– 99 –