450370 - 2
www.adclaundry.com
9
Rear Electrical Panel
This panel is located in the back of the dryer at the upper left
hand corner of the bottom pocket. Mounted on this panel are
the forward and reverse relays and blower contactor. The
transformer steps down the incoming voltage to 24 VAC, to
supply voltage to the computer and controls. There is also a
fuse or fuses that protect the transformer and control circuits.
AD45x2R
AD30-x2R
Servicing _______________________________
IMPORTANT:
You must disconnect and lockout the electric
supply and the gas supply before any covers or guards are
removed from the machine to allow access for cleaning,
adjusting, installation, or testing of any equipment per
OSHA STANDARDS.
!
WARNING
Personal injury could result.
The information provided in this section should not be
misconstrued as a device for use by untrained persons making
repairs. Service work should be performed by competent
technicians in accordance with local, state, and federal codes.
When contacting the factory for assistance, always have the
dryer model number and serial number available.
CAUTION: Observe all safety precautions displayed
on the dryer or specified in this manual before and
while making repairs.
Before considering replacement, make sure that all connectors
are in place and making proper contact. Check input voltages
and temperature sensor. After replacing any parts, or
performing adjustments or service, run through a complete
cycle.
TO REPLACE COMPUTER
1. Discontinue power to the dryer.
2. Open control door.
3. Disconnect the J2, J3, J4, J5, and J7 harnesses from the
rear of the computer by squeezing the top locking tab and
pulling the connector straight back.
4. Disconnect the green ground wire from the computer.
5. Disconnect the keypad ribbon from the computer.
6. Remove the two (2) screws securing the computer to the
control panel and remove computer from the panel, by
pulling upwards on the corners.
7. Install the new computer by reversing this procedure.
8. Be sure to check or reset programs.
NOTE:
Use caution when handling microprocessor
controller. It can be easily damaged by static electricity.
TO REPLACE KEYPAD (Refer to illustration above)
1. Discontinue power to the dryer.
2. Open the control door and unplug keypad ribbon from the
computer board.
3. Peel the keypad from the front of the control door, taking
care to avoid scratching the panel.
4. Clean any adhesive residue from the panel.
5. Peel off paper backing from new keypad.
6. Align the display window on the keypad, with the cutout in
the control door and press in place.
7. Connect keypad ribbon to the board, close control door,
and reconnect power to the dryer.
8. Test for operation by pressing each selection (Hi, Med,
Lo, and Pause).
