How to change out the motherboard / circuit board

Objective:  Swapping out or upgrading the motherboard component of the pellet stove.

Procedure:

1. Disconnect power to the back of the stove
2. Remove the cover plate on both old and new motherboards.
3. Disconnect the main power harness from the old and connect to the new.
4. Connect the 4 pin data line from the controller to the motherboard.
5. Disconnect the five 2-pin switches and connect them to the new board one at a time.

Use the following Legend Key if needed:

• Black = Vacuum Switch
• Blue = Hopper Lid Switch
• Red = Proof of Fire Switch
• White = Room Temperature Sensor Wire (between red and yellow)
• Yellow = Hopper Overheat Sensor

*See attached Wiring diagram

This video may also aid you:  https://www.youtube.com/watch?v=_hsUn37o_i0