American Dryer Corp. Phase 6 Microprocessor Controls ML-190HS - Manual (Page 21)

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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 and
the air jet wire from the computer.
4. Disconnect keyboard (touchpad) ribbon
from the computer.
5. Remove the two (2) 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).
8. Reestablish electrical power to the dryer.
To Replace Keyboard (Touchpad) Label Assembly
1. Discontinue electrical power to the dryer.
2. Unplug keyboard (touchpad) ribbon from rear of computer.
3. Slowly peel off and remove keyboard (touchpad) label
assembly from control panel.
4. Peel paper backing off new keyboard (touchpad) label
assembly.
5. Holding the new keyboard (touchpad) label assembly close to the panel, insert the keyboard (touchpad) ribbon
through the rectangular slot in the control panel. Align label assembly into position by matching the red
viewing window on the label to the rectangular cutout in the panel and gently press into place.
6. Connect keyboard (touchpad) ribbon to the computer.
7. Reestablish electrical power to the dryer.