Specifications

11. Test operation of door switch. (See below, step
10.).
To Realign Door Switch (Micro
Switch)
1. Disconnect furnace from power supply.
2. Remove the four top screws on the front dial
and the four bottom screws on the back cover.
3. Slide the control section forward. (Do not pull
excessively on the internal wires).
4. With the door closed loosen the screws on the
microswitch and slide the switch downward, so
that the screws are at the bottom of the slots in
the mounting bracket.
5. Finger tighten both screws. While holding down
the rear of the micro switch housing, gently push
up on the front of switch until you hear a click.
6. Open and close the door; the switch should click
when the door is opened approximately 1" and
1/2" to 1" before the door is closed. Slide the
front of the switch up to increase the distance,
down to decrease the distance.
7. Tighten the two screws to secure the micro
switch. Check the operation of the switch as
described in Step 6 after tightening the screws.
8. Slide control section back and replace the
screws described in Step 2.
9. Reconnect to power supply.
10. To test the operation of the door switch: turn the
power switch on, set the control setting high
enough to keep the control from cycling, open
and close the door; the cycle light should turn off
when the door is opened approximately 1" and
on 1/2" to 1" before the door is closed.
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MAINTENANCE AND SERVICING