Takeuchi TB 250 - Blower Motor Does Not Rotate

5-59
5
AIR CONDITIONER
TROUBLESHOOTING
C. Blower motor does not rotate
Notes:
1. If the blower motor is apparently out of order, check the blower motor before checking other items listed below.
2. After completion of repair work, make sure to reinstall the connectors removed for inspection.
Is the fan switch normal?
NO
The fan switch is faulty Replace the fan switch
YES
Does
the blower motor ro-
tate at 1, 2 or 3?
NO
When
the starter switch
is turned on, is 10-15V
applied in the white/
green to black, and the
black/pink to black of
Connector (12)?
YES
T
urn off the starter
switch and remove the
blower motor.
Any foreign matter in
the blower motor?
YES
The
blower
motor is
locked by a
foreign matter
Remove the
foreign matter
YES NO NO
Check
if power is sup-
plied to the machine
Is
there continuity in the
blower motor?
NO
Blower
motor
is faulty
Replace
the
blow motor
YES
Does the blower motor ro-
tate at 3?
NO
Remove
Connector
(12). Check the blue/
black of Connector (7)
for continuity
YES
Any
short circuits in the fan
switch-resistor?
NO
NO
Repair the short cir
cuit(s)
Turn off the starter switch
and remove Connector
(12).
Is the r
esistor normal?
NO
Resistor is faulty
YES
Fan switch is faulty Replace the r
esistor
Replace the fan switch