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DFO2607
If unit was operating prior to servicing allow at least 10 minutes for light bulbs and
heating element to cool off to avoid accidental burning of skin.
Disconnect power before attempting any maintenance or cleaning to reduce the risk of
electric shock or damage to persons.
TO REPLACE THE CIRCUIT BOARD
1. Remove the front glass as shown on page 6 of this manual.
2. Remove the top trim piece by removing the 3 retaining screws.
3. Remove the 10 retaining screws and lift the top off of the unit.
4. Locate the circuit board on the underside of the top cover.
5. Remove wiring connections from circuit board noting their original locations.
6. From under the top panel, break off the six mounting studs on the circuit board by
grasping with pliers and twisting on the protruding part of the stud, push the
remainder of the studs out through the top panel.
NOTE: New mounting studs are supplied with the replacement circuit board.
7. Properly orientate the new circuit board and connect all of the wiring connections