P35i has gone nutz

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Bob11b

Member
Nov 17, 2021
11
Bertram Texas
Hello everyone. A couple years ago I installed a p35i and for first 3-4 years ran perfectly. This year it has to be difficult and stubborn. It will start up and burn but suddenly cuts off all power 3-5 seconds. It will do this after 20 minutes or 6 hours totally random. The knobs on control panel either respond or don’t again purely random. Stove no longer throttles down to burn out instead cuts power 3-5 seconds then restores it and either burns out/off or goes back to full tilt/heat mode. It doesn’t matter room temp/stove temp it behaves the same way. I have to keep it in manual igniter as some times will get “stuck” in ignite mode after burning 14 hours. Did x2 deep cleans only 15 bags apart. Stove is burning very dirty. Could the control board be bad?
 
Everything is pointing to a bad board
Is your stove plugged into a surge protector?
 
It was but then I bought a Jackery 2000 UPS and put surge protector before Jackery. I since bought a second surge protector to put between Jackery and stove. So I’m certain it was a surge that done it in. I also forgot to unplug it over summer my fault, purchased a new board from pellethead along with new ESP and room temp probes too they arrive on Thursday. I’m fairly new to pellet stoves but this forum has been a Godsend and my go to. The info led me to believe it was the board but wanted to be sure. Thanks for prompt reply
 
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I have an Ecoflow on my stove - and place my UPS between the EF and the stove itself. That way if there is a power outage and the EF battery runs down, the UPS is the last thing that the stove sees and will gracefully shut itself down (pulsing the exhaust fan).

Sorry I can't help with your issue. Hope the new board does the trick!
 
have you removed the jackery and surge protector and tried running the stove? I had a battery back up that was causing strange issues with the stove and when i plugged a fan into the battery back up it fried instantly. Never had a issue again since i removed it.
 
Jackery 2000 UPS and put surge protector before Jackery. I since bought a second surge protector to put between Jackery and stove.
Are you saying you now have two surge protectors in the same line? Not recommended Google daisy chain surge protector. Might cause over heating, voltage spikes, battery drain and void warranty. Not saying it is causing your problems but it is not a good pratice.

Daisy chaining surge protectors is not recommended and is against safety codes and regulations:

  • Safety: Daisy chaining can overload the electrical system and cause a fire. It can also trip the first surge protector if you plug another strip in.

  • Regulations: Daisy chaining violates the National Electrical Code and Occupational Safety and Health Administration (OSHA) regulations. It's also against the National Fire Protection Association (NFPA) and Underwriters Laboratories (UL) standards.

  • Warranties: Daisy chaining may void the warranties of connected devices.
 
Are you saying you now have two surge protectors in the same line? Not recommended Google daisy chain surge protector. Might cause over heating, voltage spikes, battery drain and void warranty. Not saying it is causing your problems but it is not a good pratice.

Daisy chaining surge protectors is not recommended and is against safety codes and regulations:

  • Safety: Daisy chaining can overload the electrical system and cause a fire. It can also trip the first surge protector if you plug another strip in.

  • Regulations: Daisy chaining violates the National Electrical Code and Occupational Safety and Health Administration (OSHA) regulations. It's also against the National Fire Protection Association (NFPA) and Underwriters Laboratories (UL) standards.

  • Warranties: Daisy chaining may void the warranties of connected devices.
That’s a half truth at best daisy chaining surge devices. Otherwise any surge protection inside the dwelling will be illegal on any dwelling wired per 2020NEC and later as the panel is required to be surge protected. Furthermore my surge protectors weren’t themselves daisy chained as a load was between them. 1 protecting the solar generator/12hour battery, the other between the solar generator and the stove. Daisy chaining is plugging one into the other, or linked with extension cord(s) as no break between the isolators hence daisy chaining. The overloading discussed in NEC is referring to adding loads running out of receptacles so daisy chaining an additional power strip to feed more load exceeding circuit limit of 80% cord&plug demand. The Jackery is fed by a dedicated circuit for charging and the stove is fed by the Jackery and that is the total load so there is no fire danger or overloading (overheating) on the circuit. Since there is a pass through power source between the surge protectors the surge protectors will not interfere with each other.
 
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Let us know how you make out please
Replaced board. Stoves works perfectly, throttled down to power off, no power interruptions. What I did notice on old board was a lot of dust/lint/pet hair. On inserts (what I’m using) is there any preventive or cleaning options like blowing air through vent holes