Toshiba AW-SD150SBA Service Manual page 32

Part
No.
Inspection mode 8
5 Water level
sensor
Are all the water level indicators
turned off when there is no water
All turned off
What is the indicated water level
when water is supplied into the
water tub? (Refer to the table
Lower level is
indicated.
Water level for each water level indicator
Display Water volume
1
2
3
4
6 Lid switch
Inspection mode
Check the voltage between CN7 black – yellow.
Does the voltage between CN7 black – blue
change from DC3V to 2.5V when the lid is
opened and closed while the clutch is on the
Lid Lock
7
Inspection mode
sensor
Lid Lock sensor can not detect
Iock or release condition.
Check connection of lead wire unit
connector of Lid Lock.
Does the voltage between CN10
white-black change?
Lid Lock : standby state about 0V
Lid Lock : during operation AC0V
Failure Diagnosis Method
Any of them is
turned on.
in the water tub?
Higher level is
indicated.
below)
AW-SD156 7\SH
Water level height
10L Approx. 410mm
82L Approx. 280mm
60L Approx. 200mm
Appr ox. 100mm
36L
9
Is it DC5V?
Yes
wash side?
10
release position
lock position
release lock
rlock release
– 3 –
Is the 3P connector of
the water level sensor
disconnected?
Not disconnected
Water level sensor
failure or program
timer failure
Check disconnection of or tear on the air
tube, foreign matter stuck inside or water
gone inside the air trap, etc.
Auto
No
Program timer failure
Changes
Connector of the lid switch or lead
wire unit is disconnected or the lid
No changes
switch or lead wire unit is
disconnected.
No changes
Program timer failure
Changes
Lid lock failure
Disconnected
Connect
Higher level
is indicated.