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[11 error]
Turn off the breaker once.
Does the fan rotate?
Is fan speed raised?
Does fan stop when
operation stopped?
Is DC1V or more voltage applied
between 5
+
and 3
–
of the
motor connector (CN210)?
Is DC280V or more voltage applied
between 1
+
and 3
–
of the
motor connector (CN210)?
Is DC15V voltage applied
between 4
+
and 3
–
of the
motor connector (CN210)?
(Connection status of motor)
Is DC15V or more voltage applied
between 4
+
and 3
–
of the
motor connector (CN210)?
Is DC1V or more voltage applied
between 5
+
and 3
–
of the
motor connector (CN210) when changing
the operation mode (except HEAT)?
(Check within approx. 15 seconds
after operation has started.)
Stop the operation and disconnect the
receptacle. After removing motor connector,
connect receptacle again and then stop
the operation from remote controller.
Is DC1V or more voltage applied
between 5
+
and 3 – of the
motor connector (CN210) when changing
the operation mode (except HEAT)?
(Check within approx. 15 seconds
after operation has started.)
Does 0 to 5V voltage
(revolutions return signal) generate
between 6
+
and 3
–
of the
motor connector (CN210) when rotating
the cross flow fan with hands under
condition of operation-stop?
Stop the operation and turn off the breaker.
After removing motor connector,
turn on the breaker again and then stop
the operation from remote controller.
Turn on the breaker
after approx. 10 seconds.
Start the operation with
cooling mode [L (Low)].
Change the cooling
mode to [H (High)].
Does the cross flow fan rotate normally
when handled with hands?
Replace indoor fan motor.
Replace indoor fan motor.
Replace indoor fan motor.
Repair bering of the
cross flow fan
.
Normal fan motor
Replace indoor main P.C. board
(MCC-1370A).
Replace indoor main P.C. board
(MCC-1370A).
Replace indoor main P.C. board
(MCC-1370A).
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
YES
NO
NO
NO
NO
NO
NO
NO