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FILE NO. SVM-03008
(3) Only indoor fan motor does not operate.
<Primary check>
(1) Is it possible to detect the power supply voltage (200 – 240 V) between 1 and 2 on the terminal block?
(2) Does the indoor fan motor operate in cooling operation?
(In heating operation, the indoor fan motor does not operate for approximately 5 minutes after it is turned on,
to prevent a cold air from blowing in.)
Turn off power
supply once, and
turn it on again.
Start to operate
indoor unit in cooling
operation at airflow
level LOW .
Turn off indoor unit and
remove connector from motor.
Then start to operate indoor
unit with remote control.
Turn off indoor unit and remove
connector from motor.
Then push START/STOP button
on remote control to stop
flashing lamp on indoor unit.
Change airflow level
to HIGH .
Turn off indoor unit
and rotate cross-flow
fan by hand when the
unit is on standby.
At this time, is it possible
to detect DC 1V or more
between 5e and 3d
of motor connector
(CN10).
Start to operate the
indoor unit in except
heating operation.
At this time, is it possible
to detect DC 1V or more
between 5e and 3d
of motor connector (CN10)?
(Check this condition
within 15 seconds after
starting unit.)
Start to operate the
indoor unit in except
heating operation.
At this time, is it possible to
detect DC 1V or more between
5e and 3d of motor
connector (CN10)?
Is it possible to detect
DC 1V or more between
5e and 3d of
motor connector (CN10).
Is it possible to detect
DC 310−340 V between
1e and 3d of motor
connector (CN10).
(Motor connection condition)
Is it possible to detect DC 15 V
between 4e and 3d of
motor connector (CN10).
Is it possible to detect
DC 15 V between
4e and 3d of motor
connector (CN10).
Is it possible to
change airflow level
to HIGH ?
Is it possible to
rotate cross-flow fan by
hand properly?
Does fan motor
continue to operate?
Does indoor
fan operate?
Fan motor
operates normally.
Peplace indoor
fan motor.
Peplace main
P.C. board.
Peplace
bearing.
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO