M 55 FS pellet stove keeps going out

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bran

New Member
Dec 26, 2020
11
so maine
My M55 fs pellet stove keeps going out flashing number 4 light. The high limit switch is not kicking out, so far i have changed both fans and changed the mother board and changed the low limit sensor and is still doing it Its getting very $$$ to troubleshoot. I have a new hopper switch which i havent changed yet. Any thoughts on what to do next
 
Remove the wires from the hi-limit switch
see if it flashes a code
If it does flash a code jump the 2 wires together
check for a code
No code replace the hi-limit switch
A hi-limit switch does not have to pop to be bad