ā 104 ā
YES
YES
NO
NO
YES
NO
YES
NO
[The air conditioner does not operate at ail or cannot be operated correctly]
Is 220V supplied to the A,B
terminal?
Is chattering sound of relay heard?
Is the 15A fuse normal?
Is the power circuit normal?
Refer to the power circuit for detals.
Is 35V being applied between C and
D?
Because of reverse connection of
C/D line, chattering occurs at I/F re-
lay.
Correct connection of C/D line.
Be careful since the other parts
could also be defective hen the 15A
fuse is blown.
Mainly, diode stack, smoothing
capacitor, power modure, etc.
Replace defective parts.
[MODEL RAC-25CNH11]
Checking the electical parts
in the outdoor unit.
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