– 56 –
Check item code [14].
Correct inter-unit cable.
Correct connection of connector.
Check/Correct charged
refrigerant amount.
Check indoor P.C. board (MCC-1402).
Defect → Replace
Check outdoor P.C. board
Defect → Replace
MCC-5009
MCC-1531 and MCC-1438
RAV-SM562AT-E, RAV-SM563AT-E
RAV-SP404AT-E, RAV-SP454AT-E
RAV-SP562AT-E
Does outdoor unit operate?
Is setup of group address correct?
Does case thermo. operate?
Are 1, 2, 3 inter-unit cables normal?
Are connections from connectors
of inter-terminal blocks (1, 2, 3)
of indoor/outdoor units normal?
Does voltage between
2 and 3 of inter-terminal blocks (1, 2, 3)
of indoor unit vary?*
Check indoor P.C. board
(MCC-1402).
Defect → Replace
*
As shown in the following figure, perform measurement
within 20 seconds after power ON.
Black
White
3
2
1
Inter-terminal block
S5277G
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
NO
YES

[E04 error]