Toshiba RAV-SM1401BT-E, RAV-SM1400AT-E, RAV-SM1101BT-E, RAV-SM1100AT-E error Central controller

[97 error] (Central controller)

NO

Is X, Y communication line normal?

YES

Are connections between connectors

CN02, CN03 of network adapter P.C. board NO and connectors CN309, CN41 of indoor P.C. board

(MCC-1402 or MCC-1403, normal?

YES

NO

Is A, B communication line normal?

YES

YES

Is there no connection error of power line?

NO

YES

Is not power of source power supply turned on?

NO

YES

Did a power failure occur?

NO

Correct communication line.

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.

Is the network address changed		YES
form remote controller?
	NO
		YES
Is there no noise source, etc.?
	NO

Eliminate noise, etc.

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
Does network adapter P.C. board
LED (D01) go on?
	YES

NO

(Same as others)

Check central controller. Defect Replace

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

Check network adapter P.C. board and power transformer. Defect Replace

Check indoor P.C. board (MCC-1402 or MCC-1403). Defect Replace

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