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SimpliFire • SF-FORMAT36 Service Manual • 2042-961 • 9/21
3.5 Control Board Replacement
1. Disconnect electrical service to the appliance. For
hardwired electrical installations, find and shut-off
service at the breaker. For installations that use a
corded plug, disconnect the cord from the receptacle.
2. Locate the appropriate mantle removal instructions
above, according to the model.
3. Follow the instructions to remove the top mantel.
4. Remove twelve (12) screws from top panel of appli-
ance, and remove top panel. See Figure 3.
Figure 6 Control Board (PCB) / Wire Connectors
5. Making note of the connector locations, unplug
THE (PCB) CONNECTIONS AS NOTED IN THE
FOLLOWING STEPS. SEE FIGURE 6.
6. Unplug the two (2) large wire connectors. See Figure 6.
7. Remove the two (2) spade terminals from the back of
the rocker switch. See Figure 6.
8. Remove two (2) screws securing the control board to
the appliance. See Figure 6.
9. With a pliers compress the two (2) alignment pins to
release the PCB from the appliance. Remove PCB
and discard.
UNPLUG CONNECTOR
FROM HEATER ASSEMBLY
REMOVE CONNECTORS (7)
FROM PCB
UNPLUG CONNECTOR FROM
A/C LINE IN CONNECTOR
REMOVE SPADE TERMINALS
(2) FROM ROCKER SWITCH
DO NOT REMOVE SPADE
TERMINALS FROM PCB
1
2
3
4
5
6
7
TWO (2) SCREWS
TWO (2)
ALIGNMENT
PINS
