Toshiba RAV-HM561UTP Series Service Manual page 66

[P12 trouble]
Power off.
Is the connector
CN210 of indoor unit
P.C. board connected
correctly?
YES
Disconnect the connector CN210 to
the indoor P.C. board
Does the
fan turn smoothly when
turned by hand?
YES
Is each
resistance value
on the motor side of the
fan motor connector CN210
of the indoor P.C.
board correct?
YES
Is F01 of the
indoor P.C.board
normal?
YES
Is R04 or R05
of the indoor P.C.board
normal?
YES
NO
NO
NO
Model name for the indoor fan motor.
ICF-340D60-1, ICF-340D130-3
<Checking procedure>
Measure the resistance of the following terminals with the tester.
Internal motor circuit is damaged if the measured value is out of
the range in below table.
Pin No.
Color Blue Yellow White
∗
Measure by connecting the com side to
The measurement may vary.
Measurement place
I. Between (Black) -
II.
Between (Black) -
III. Between (Black) -
IV.
Between (Black) -
[Action if the measurement is out of the range]
If any measurement in the above table is between 0 to several
100 Ω, replace the indoor P.C. board together with the motor since
the indoor P.C. board is damaged.
NO
NO
- 66 -
Repair the connector
Replace the indoor
Replace the indoor
3 2
Black - - Red
(Black) while measuring.
Resistance value
∞
(Red) (MΩ)
35k – 65kΩ
(White)
(Yellow) 130k – 170kΩ
∞
(MΩ )
(Blue)
Replace the indoor P.C. board
(MCC-1643).
Replace the indoor P.C. board
(MCC-1643).
Replace the indoor P.C. board
(MCC-1643).
connection.
fan motor.
fan motor.