Harman Accentra Insert Won't Stop Feeding

JimmyJackson182

New Member
Feb 11, 2018
4
Doylestown
Hey all,

New here, just bought a home with a Harman Accentra insert. I'm loving it—but learning the stove can be very temperamental. Here's one of my primary issues:
  • The stove sometimes will not shut off, even when turned to off as per directions—it keeps feeding.
I have all the dials correctly switched to off, and even turned the feeder to the lowest, as well as the temp. Still feeding all night. This has only happened about 3 nights over the past month since I've owned it, but wondering a solution?

I have NOT tried the open hopper trick, to shut off the switch. Nor have I unplugged, as I'm not quite sure which breaker it's on (she main lined it in, there is no actual plug).

Any help would be great appreciated. Thanks!
 

Washed-Up

Burning Hunk
Nov 5, 2011
170
Kananaskis,Alberta, Canada
The ESP is in the exhaust tailpipe at the back bottom of your stove, just give it a wipe with a damp cloth then wipe it with an alcohol pad.
 

DAKSY

Patriot Guard Rider Moderator
Staff member
No. The ESP is in the exhaust stream before the vent pipe. It is the BRAIN of a Harman stove.
If it's coated with fly ash, it can't sense the the exhaust temperature is less than 90 degrees
& the unit won't shut down.
 
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JimmyJackson182

New Member
Feb 11, 2018
4
Doylestown
No. The ESP is in the exhaust stream before the vent pipe. It is the BRAIN of a Harman stove.
If it's coated with fly ash, it can't sense the the exhaust temperature is less than 90 degrees
& the unit won't shut down.
Super helpful guys, thank you. Now HOW do I get to it? My Harman is literally inside my chimney—it's an original stone chimney the set the stove into. So how do I gain access to the ESP?
 

DAKSY

Patriot Guard Rider Moderator
Staff member
You will hafta pull the insert out of the fire place. There are latches on either side - refer to your manual - that will release the insert from the mounting shell. You will need to purchase or fabricates one of these:

https://pellet-stove-parts-4less.com/products/harman-accentra-52i-service-rail-kit?gclid=CjwKCAiAk4XUBRB5EiwAHBLUMQtC4VhuVV59gdznzOTYhCzRF7AMDEKOZ_vocWzzTXl_9r1cyIKSvRoC-3wQAvD_BwE

in order to support the unit when it's pulled out. While you have it out, you might as well clean the fines box, the blowers & the venting...

Harman's website has maintenance videos that can be quite helpful...
 

Tim_M

Member
Mar 28, 2010
219
Halifax, NS
My Accentra insert had a similar problem a few years ago that turned out to be caused by a bad pot switch on the control board. It was the one for the Room Temp - Stove Temp knob. Apparently this is a common issue on Accentras (maybe other Harman models also?). They’re fairly cheap to replace, I think I ordered a couple online for $3 each. I removed my board and paid an electronics repair guy $40 to solder it in but if you’re comfortable with soldering I don’t think it’s a big job.