American Dryer Corp. ML-145 - Manual (Page 20)

16
SECTION V
SERVICING
INTRODUCTION
ALL electrical and mechanical service or repairs should be made with the electrical power to the dryer
disconnected (power off).
WARNING: PERSONAL INJURY COULD RESULT.
The information provided in this section should not be misconstrued as a device for use by an untrained person
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 and serial numbers 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.
A. COMPUTER CONTROLS
To Replace Computer
1. Disconnect electrical power to the dryer.
2. Disconnect main power harness along with
the three (3) other connectors located on
the computer board, from rear of computer
by squeezing locking tab and pulling
connector straight back.
3. Disconnect the “green” ground wire from the computer and the wire connected to the air jet spade.
4. Disconnect keyboard (touchpad) ribbon from the computer.
5. Remove the two (2) Phillips screws securing the computer to the sheet metal control panel. Remove the
board by pulling the other two (2) corners off the clinch studs.
6. Install new computer by reversing this procedure.
7. When replacing the computer, the “A” and “B” factors must be reprogrammed. (Refer to “Computer
Operator’s Manual” for details.)
NOTE: The “A” and “B” factors are printed on a label located on the rear of the control panel (refer to
illustration).