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SimpliFire •  SF-FORMAT36 Service Manual  •  2042-961  •  9/21

8

SimpliFire, a brand of Hearth & Home Technologies

7571 215

th

 Street West, Lakeville, MN 55044

www.hearthnhome.com

Troubleshooting Guide (continued)

Symptom

Possible Cause

Corrective Action

Fuel bed does not light up

Fuel bed is turned off

Refer to operation section of the user manual.

Loose wiring

Check wiring to fuel bed LEDs.

Defective control board (PCB)

Replace control board (PCB).

Defective LED lights

Contact Dealer / Replace Appliance

Appliance turns on by itself

Defective control board (PCB)

Replace control board (PCB).

Similar infrared signal from another 

remote causing appliance to turn on 

(pre-2019 manufactured appliances 

only)

Some TV remotes may cause the appliance 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 blower motor

Replace heater assembly.

Grinding or rubbing noise 

(when heater is off)

Rotisserie hitting or rubbing against 

internal components

Contact Dealer / Replace Appliance

 

Summary of Contents for SF-FORMAT36

Page 1: ...el Side Panels FM60 LED Mantel Side Panels 1 Introduction Table of Contents 1 Introduction Table of Contents 1 2 Replacement Part Appliance Diagram 1 3 Replacement Instructions 3 1 Mantel Side Panels Replacement 3 3 2 Mantel Removal and Install FM43 3 3 3 Mantel Removal and Install FM50 FM60 3 3 4 Heater Assembly Replacement 4 3 5 Control Board Replacement 5 3 6 Accent LED Replacement 6 3 7 Log As...

Page 2: ...nels Replacement 3 1 Mantel Side Panel Removal Refer to Mantel Instructions for more detail 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 Remove two 2 screws securing the side panels to the top mantel See Figure 1 3 Remove two 2 thumb...

Page 3: ...ions restore power at the breaker 3 2 Mantel Removal and Install For FM43 mantels Mantel Removal No Side Panels 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 Remove two 2 thumb screws securing the mantel to the appliance See Figure 2 ...

Page 4: ...igure 3 5 Unplug heater assembly wire harness See Figure 4 6 Remove four 4 screws securing the heater assem bly to the appliance See Figure 5 7 Remove and discard heater assembly 8 Attach new heater assembly to appliance with four 4 screws See Figure 5 9 Plug in heater assembly See Figure 4 10 Secure top panel to fireplace with twelve 12 screws See Figure 3 11 Refer to Mantel Installation Instruct...

Page 5: ...ure 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 tw...

Page 6: ...TWO 2 SCREWS REMOVE TWO 2 SCREWS 3 6 Accent LED 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 Remove two 2 screws securing the bottom mantel to the appliance 3 Unplug Accent LED strip from appliance 4 Slide mantel off of a...

Page 7: ... the remote or exit thermostat mode toggle the thermostat button until no temperature set point is displayed on the remote See Room Temperature and Thermostat Function section of the manual Appliance has overheated and safety thermal switch has tripped Unplug or turn off power at circuit breaker and allow it to cool for 15 minutes Then plug in the appliance or turn power back on at circuit breaker...

Page 8: ... Contact Dealer Replace Appliance Appliance turns on by itself Defective control board PCB Replace control board PCB Similar infrared signal from another remote causing appliance to turn on pre 2019 manufactured appliances only Some TV remotes may cause the appliance to turn on for appliances manufactured before 2019 Replace control board PCB Excessive noise with heater on Interference with fan bl...

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