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SimpliFire •  SF-SCT43-BK, SF-SCT55-BK Service Manual  •  2043-960  •  7/20

2

Heater Assembly Replacement

1.    Remove glass, see Glass Front Replacement 

instruction.

2.    Support the Heater Assembly and remove 4 screws. 

See Figure 2.

3.   Slowly lower Heater Assembly until cable connector 

is accessible. See Figure 3.

4.   Disconnect Heater Assembly cable connector. See 

Figure 3. 

5.   Connect replacement Heater Assembly. See Figure 

3. 

6.   Re-install Heater Assembly into appliance, be 

careful not to pinch any wires. 

7.   Re-Install 4 screws. 
8.    Re-Install glass per Glass Front Replacement.

Figure 2  Heater Assembly

Figure 3  Heater Connector

Control Board Replacement

1.   Remove glass, see Glass Front Replacement 

instruction.

2.   Support the Control Board Assembly and remove 4 

screws. See figure 4.

3.   Slowly lower Control Board Assembly until cable 

connectors are accessible. See Figure 5.

4.   Disconnect the seven separate connectors attached 

to the Control Board Assembly and re-connect 

the seven connectors to the new Control Board 

Assembly. See Figure 5. 

5.   Re-install Control Board Assembly into appliance, be 

careful not to pinch any wires. 

6.   Re-Install 4 screws. 
7.    Re-Install glass per Glass Front Replacement.

Figure 4  Control Board Location 

Figure 5  Control Board Removal 

HEATER ASSEMBLY

HEATER ASSEMBLY

CONNECTOR

CONNECTOR

= SCREWS

= SCREWS

= SCREWS

Summary of Contents for SF-SCT43-BK

Page 1: ...allation be sure that the following tools and building supplies are available Needle nose pliers Gloves Magnetic Phillips screwdriver Safety glasses Drill Flat blade screwdriver CAUTION Two adults recommended for the removal or installation of glass front Use caution when han dling glass Failure to do so could result in personal injury or property damage WARNING Risk of Personal Injury or Property...

Page 2: ...t Figure 2 Heater Assembly Figure 3 Heater Connector Control Board Replacement 1 Remove glass see Glass Front Replacement instruction 2 Support the Control Board Assembly and remove 4 screws See figure 4 3 Slowly lower Control Board Assembly until cable connectors are accessible See Figure 5 4 Disconnect the seven separate connectors attached to the Control Board Assembly and re connect the seven ...

Page 3: ... 7 Reinstall spotlight LED 8 Reinstall media logs 9 Reinstall Glass Front per Glass Front Replacement LED Spotlight Replacement 1 Remove glass See Glass Front Replacement instruction 2 Support the Spotlight LED and remove the 3 screws holding it in place See Figures 7 and 8 3 Gently pull the Spotlight LED cable located on the right end of the Spotlight LED until the connector is visible Disconnect...

Page 4: ...d cover with either 16 or 18 screws See Figure 10 Figure 10 Ember Bed Cover Figure 11 Glass Screen Panel Removal 4 SCREWS TO BE REMOVED only two screws shown BRACKET Remote Receiver Replacement 1 Remove glass see Glass Front and Glass Side Panel Removal Replacement instruction 2 Access internal components see Accessing Internal Components instructions 3 Using a pliers compress each barbed clip whi...

Page 5: ... rubber coupler on the left end disengages from the motor shaft and lift out of the appliance See Figure 17 If not replacing motors skip to step 13 8 Remove each motor until the electrical connector is visible See Figure 18 and 19 9 Disconnect the electrical connector to the motor See Figure 18 and 19 10 Fasten the new motor to the motor bracket with the two screws and two nuts 11 Connect the new ...

Page 6: ...it boards See Figure 21 7 Using a pliers compress each barbed clip along the front base circuit boards while lifting the boards evenly to disengage them from the clips Use pliers to open spread clips along rear LED strip while lifting to disengage it from the clips See Figure 21 Re move all LED circuit boards 8 Install the new LED circuit boards by securing them in the clips See Figure 2 9 Connect...

Page 7: ... and allow it to cool for 15 minutes Then plug in the unit or turn power back on at circuit breaker and turn unit back on Defective main control board Replace control board PCB Defective heater assembly Replace heater assembly Heater shuts off automatically or won t stay on Room temperature temperature at the appliance thermistor is higher than the set point on the remote Increase thermostat set p...

Page 8: ...control board PCB Replace control board PCB Similar infrared signal from another remote causing unit to turn on pre 2019 manufactured units only Some TV remotes may cause the fireplace to turn on for appliances manufactured before 2019 Replace control board PCB Excessive noise with heater on Interference with fan blade Inspect heater assembly and fan for obstructions or interference Defective blow...

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