5)To install new Microprocessor Controller (computer) input/output (I/O) board, reverse Step #4 thru Step #1.

6)Reestablish electrical power to the dryer. e. Keyboard (touch pad) Replacement

1)Discontinue electrical power to the dryer.

2)Disconnect keyboard (touch pad) ribbon cable from the Phase 7 microprocessor controller (computer) display board.

3)Peel existing keyboard (touch pad) from the door.

4)Remove as much of the remaining adhesive (from the removed keyboard [touch pad]) as possible.

5)Install and adhere new keyboard (touch pad).

6) Reestablish electrical power to the dryer. f. Switch Replacement

1) Discontinue electrical power to the dryer.

2) Mark and identify the wires that will be removed for proper reinstallation.

3)Remove wires.

4)To remove a contact block, loosen and remove the mounting screw.

NOTE: Contact Block #1 and Contact Block #2 is normally closed (N.C.) while Contact Block #3 and Contact Block #4 is normally open (N.O.).

5)To remove or replace operator, loosen the two (2) screws that hold the switch body away from the door.

6)Quarter turn the operator (in the direction shown in the above illustration) and remove.

7)Reinstall the wires removed in Step #3.

8)Reestablish electrical power to the dryer.

g. Switch Bulb Replacement

1) Discontinue electrical power to the dryer.

2) Unscrew clear lens shield.

3) Unscrew colored lens.

4) Remove diffuser.

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American Dryer Corp AD-310 Phase 7 service manual