Toshiba RAV-SM1402CT-E Revised Mar, E04 error, Are 1, 2, 3 inter-unit cables normal?

[E04 error]

NO

Does outdoor unit operate?

YES

NO

Is setup of group address correct?

YES

Are 1, 2, 3 inter-unit cables normal?		NO
	YES
Are connections from connectors		NO
of inter-terminal blocks (1, 2, 3)
of indoor/outdoor units normal?
	YES

Revised : Mar. 2007

Check item code [14].

Correct inter-unit cable.

Correct connection of connector.

Does voltage between	NO	Check indoor P.C. board
2 and 3 of inter-terminal blocks (1, 2, 3)		(MCC-1402).
of indoor unit vary?*		Defect ÆReplace

YES

*As shown in the following figure, perform measurement within 20 seconds after power ON.

S5277G

Black	3
White	2

1

Inter-terminal block

YES

Does case thermo. operate?

NO

Check/Correct charged refrigerant amount.

Check indoor P.C. board (MCC-1402).

Defect ÆReplace

MCC-5009

Check outdoor P.C. board Defect ÆReplace

MCC-1531 and MCC-1438

RAV-SM563AT-E

RAV-SM803AT-E

RAV-SM1103AT-E

RAV-SM1403AT-E

RAV-SP562AT-E RAV-SP802AT-E RAV-SP1102AT-E RAV-SP1402AT-E

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