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[04 error]
Correct inter-unit cable.
Replace IPDU.
Replace IPDU.
* For RAV-SM560AT-E,
replace control P.C. board.
Does outdoor unit operate?
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
Are 1, 2, 3 inter-unit
cables normal?
Are connections of
connectors normal?
Correct connection
of connector.
Is case thermo
(CN500) connected?
Does LED (D05) (Orange)
on indoor main P.C. board flash?
Correct connection
of connector.
Check CDB.
Defect Replace
Is DC310 to 340V
applied between terminals
of electrolytic capacitor
of IPDU main circuit?
* For RAV-SM560AT-E,
replace control P.C. board.
* For RAV-SM560AT-E,
check case thermo.
Is DC310 to 340V
power supplied to CDB?
(CN03)
Does case thermo operate?
* For RAV-SM560AT-E,
replace control P.C. board.
Check/Correct charged
refrigerant amount.
* For RAV-SM560AT-E,
replace control P.C. board.
Check CDB.
Defect Replace
Check main indoor main P.C. board
(MCC-1370A).
Defect Replace