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b. PLC (Programmable Logic Controller) Replacement
1) Discontinue electrical service to the dryer.
If there is an expansion module along side the main
module carefully disconnect the ribbon cable
connecting the two (2) units together.
2) Mark and identify the wires that will be removed
for proper reinstallation.
3) To remove the Programmable Logic Controller
(PLC) from the mounting rail, using a screwdriver,
very carefully pull out the mounting clip on the
bottom of the PLC and lift the unit out of the rail.
4) To replace the Programmable
Logic Controller (PLC), push in
the top of the PLC into the rail
and then snap in the bottom of
the unit.
5) Replace the wires removed in Step #2.
If there was an expansion module along side the main module carefully reconnect the ribbon cable.
6) Reestablish electrical service to the dryer.
c. Relay Replacement
1) Discontinue electrical service to the dryer.
2) Remove hold down spring.
3) Remove relay from relay socket.
4) To install new relay, reverse above procedure.
d. Phase 5 Microprocessor Controller (computer) Replacement
1) Discontinue electrical service to the dryer.
2) Carefully unplug the 15-pin connector, the 6-pin connector, and the keypad (touchpad) connector.
3) Disconnect the "GRD" connector and the air jet spade connector.
Disconnect optional Battery backup (if applicable).
4) Loosen and remove the two (2) screws securing the Phase 5 microprocessor (computer) and then
remove the computer from the door.
5) To install new Phase 5 microprocessor (computer), reverse above procedure.
MAN3405