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Page 32
Dishwasher is Completely
Inoperative
With the door latched remove and
reapply electrical power to the
dishwasher. Does the HI-TEMP
WASH & NO HEAT DRY LEDs
FLASH?
Yes
Go to "Some
Functions Will Not
Program" flow
chart.
No
Measure input voltage
to the transformer.
120 VAC
Measure output voltage
from the transformer.
12 VAC
Measure the voltage drop
across the thermistor.
Check power
to dishwasher.
Zero
Defective
transformer.
Zero
5 VDC
Measure the voltage drop
between terminals PS04-2 &
PS04-1 of the control board.
Measure the voltage drop
between terminals PT01 &
PS04-10 of the control board.
Zero
12 VAC
Zero
Defective
control
board.
Open wiring
between the
transformer
& board.
Zero
12 VAC
Remove the touch pad ribbon
from the board, clean the
ribbon tail, reinstall the ribbon.
Check the dishwasher
operation. If the dishwasher
does not operate replace the
control board.
Defective
line door
switch.
Summary of Contents for ADW750EA
Page 1: ...SERVICE MANUAL 24 BUILT INDISHWASHERS ELECTRONICCONTROL PRECISIONWASHSYSTEM 5995293536 ...
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