Failure Diagnosis Of Each Electrical Part - Toshiba AW-SD150SBA Service Manual

(2) Failure Diagnosis of Each Electrical Part

Part
No.
Inspection mode 123 (Make sure that there is no problem in common check items stated on Page 2.)
Program
1
timer motor
The motor does not rotate.
Does the rotation indicator
change when the pulsator is
turned manually after setting to
the inspection mode?
No change
Is the voltage between CN7
black – yellow DC5V?
Yes
When rotated, does the voltage
between CN7 black – yellow
green and between CN7 black –
pink change from DC5V to 0V?
No change
Clutch
sensor
Ec5 error is displayed but the
(Cup assy)
clutch is on the wash side.
Is CN7 black – red shorted when
unplugged and CN7 is removed?
Disconnected lead wire unit
connector, wire disconnection or
Inspection mode
2 Water
supply
valve
Lid Lock
Is the voltage at the checked point AC220V
Does the voltage at the checked point change
from AC220V to 0V when operated?
Failure Diagnosis Method
Changes
program timer and measure
(red) – (purple), (red) – (blue)
No
Changes
Short
Open
cup assy failure
4 5 ,
~
in standby status?
Yes
Changes
– 2 –
Unplug the power cord,
remove the CN4 ~ 6 of the
Short or open
the resistance between
and (blue) – (purple) on the
main unit lead wire side.
All approximately
10 ~ 20
Program timer failure
Motor failure, disconnected lead wire
unit connector or wire disconnection
Program timer failure
Failure of each electrical part,
No
disconnected lead wire unit
connector, or wire
disconnection
No change
Program timer failure
Each electrical part failure