Toshiba AW-G9930S Service Manual page 14

Indication Failure symptoms
MOTOR FAILURE
E 7
Motor does not rotate
normally and reversly.
E7← →-1
E7← →-2
E7← →-3
E7← →-4
Flashing
alternately
WATER LEAKAGE
E 9
FAILURE
Water lever sensor's fre-
quency failure.
Drain valve's water leak
failure.
AUTO OFF FAILURE
E b
Power relay failure.
After replacing the program timer, the drive assembly or the belt, check the weight sensor according to the procedure
described in page 37.
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Cause
E7-1
Whether the motor does not rotate
normally at wash mode.
E7-2
Whether the motor does not rotate
reversely at wash mode.
E7-3
Whether the motor does not rotate at spin
mode.
E7-4
Whether the motor does not rotate at both
wash mode or spin only mode.
This error will be displayed when the wa-
ter level becomes below the reset level at
the time of wash or rinse process.
Check whether water leaks from the tub
or drain valve or not.
This error will be displayed when the
power relay is not shutt off at the time of
auto power OFF.
– 13 –
Remedy Countermeasure for failure
✩
Power switch OFF Confirm the connection and lead
→
ON. wire of the program timer.
✩
Confirm the connection and lead
wire of the motor and the revolution
sensor.
#
Replace the program timer.
#
Replace the motor.
#
Replace the revolution sensor.
#
Replace the lead wire unit.
✩
Power switch OFF Confirm the connection and lead
→
ON. wire of the water level sensor.
✩
Confirm the connection and lead
wire of the program timer.
✩
Confirm the air tube.
✩
Confirm the operation of the drain
valve.
✩
Fill the water and check whether
leakage is observed or not.
✩
Check the wahing machine
according to the [Trouble shooting
of the water level sensor.
→
See page 17.
#
Replace the water level sensor.
#
Replace the program timer.
#
Replace the drain valve.
#
Unplug the power cord. Connect the power plug and press
button again. (Do not press the start
button.) "Eb" will be displayed after
10 seconds.
Replace the program timer.