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2-1) Indoor fan does not operate
YES
YES
YES
YES YES YES
YES YES YES
YES
NO
NO
NO
NO
NONONO
NO NO NO
Is the unit
operating?
Is the DC5V
at 20pin of
(MICOM)?
Is the DC5V
at 21pin of
(MICOM)?
Is the DC5V
at 22pin of
(MICOM)?
Is the DC12V
at each terminal
RY- Mid Coil
Is the DC12V
at each terminal
RY-S/High Coil
Is the
AC220V(240V) between
"C" and "S/High" of
P.C.B?
Is the
AC220V(240V) between
"C" and "High" of P.C.B?
Is the
AC220V(240V)
between "C" and "Mid"
of P.C.B?
Replacement ICO3M
Replacement S/High
Check the motor winding
Replacement High Replacement RY-Mid
Is the DC12V
at each terminal
RY-High Coil
Replacement
(MICOM) and
check the EVA-Th.
Reset the power ON/OFF S/W