Causes
Check Point
Door sensing switch, main PBA
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Door sensing Switch defective
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Main PBA defective
Symptom
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Cycle doesn’t start.
Step 1 :
Door Sensing Switch (1)
!
Check the connections for the Door Sensing Switch
(
Check the blue wire and the switch connected to the blue wire.
- Normal (Power Key On) : 9.5 to 12.5V (when the door is open)
- Normal (Power Key Off) : 5.5 to 7.0V (when the door is open)
- Normal : < 2V (when the door is closed)
#6. Improper Operation
6-5. Cycle Doesn’t Start
! ",#$%&!
- Normal : < 2V (when the door is closed)
Step 2 :
Door Sensing Switch (2) / main PBA
!
Check the operation of Door Sensing Switch.
(Remove the connector before measuring.)
(
Check for the blue wire and the switch connected to the blue wire.
- Normal: OPEN (when the door is open)
- Normal: SHORT (when the door is closed)
(
If it is not normal, replace the door sensing switch.
If it is normal, replace main PBA.