18
EF3003, SF3003, DF3003
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 HEATER ASSEMBLY
1. Remove the trim by turning the retaining fasteners counter clockwise ¼ turn until the
trim releases from the firebox using a slotted screwdriver.
2. Remove the firebox from the mantel.
3. Lower the grill covering the controls.
4. Remove the (10) retaining screws on the top panel and remove the top being careful not
to damage any of the wiring.
5. Hold the glass in place while removing the retaining clip from the upper center of the
firebox.
6. Lift glass out and store in a safe place.
7. Locate the two upper bulbs inside the firebox at the top.
8. Hold the light sockets while unscrewing the bulbs.
9. Remove the yellow wire from the heater element coming from the heater on/off switch.
10. Remove the blue wire from the circuit board coming from the temperature cutoff switch.
11. Remove the (2) element mounting screws from the top of the element located on both
sides of the temperature cutoff switch.
12. Remove the (4) heater assembly mounting screws from inside the firebox and set aside
the heater assembly.
13. Disconnect wiring connections and connect to replacement heater assembly noting their
original locations.
14. Reassemble in the reverse order as above.
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