Koker 160 going out

 
gennylight01
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Post by gennylight01 » Sat. Dec. 30, 2017 3:49 pm

I have a koker 160 that I put in new and started it the first of November. I have had absolutely no trouble with it and I came home Tuesday and again today and it was out. I reset the fume switch both times and it started right back up. The power vent is working and it's not very dirty so I'm wondering what else I could check?? Any help would be appreciated.


 
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Post by WNY » Sat. Dec. 30, 2017 4:20 pm

DO you have a draft gauge to make sure the power or is it a Direct vent is pulling the correct draft on the stove? The power/direct vent need to be set correctly for the proper draft on the stove.

DO you have a working CO detector?

If the fume switch is tripping, then it's getting too hot and not pulling enough draft by the sounds of it.

 
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Post by gennylight01 » Sat. Dec. 30, 2017 4:26 pm

I have not checked draft yet but I intend to. Could draft be affected by the blower that blows under the grate? I ask because there was no cover on side of it so I got one but guessed as to where to put it. I have a co detector plugged in on the first floor. Just seems odd that it works for two months and it's quit twice in a three days. We've been in single digits and we've also had some very windy days and haven't had a problem.

 
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Post by gennylight01 » Sat. Dec. 30, 2017 4:27 pm

It's a top direct vent. Sorry I missed that.

 
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Post by WNY » Sat. Dec. 30, 2017 4:36 pm

You definitely should check the draft. the impeller on the direct vent can get ash on it and draft can go down. does yours have a Baro Damper? or just a T-Handle adjustment plate on the Direct Vent? maybe post a pic if you can.

The combustion blower cover also affect the pressure in the stove, if there's too much and your direct vent can't exhaust it, it might trip the fume switch on high temp .

also, make sure your exhaust pipe is not blocked with snow .

 
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Post by McGiever » Sat. Dec. 30, 2017 4:45 pm

gennylight01 wrote:
Sat. Dec. 30, 2017 3:49 pm
I have a koker 160 that I put in new and started it the first of November. I have had absolutely no trouble with it and I came home Tuesday and again today and it was out. I reset the fume switch both times and it started right back up. The power vent is working and it's not very dirty so I'm wondering what else I could check?? Any help would be appreciated.
A picture of the stove pipe and fume switch arrangement might take a lot of maybes out of this diagnosis. ;)

 
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Post by gennylight01 » Sat. Dec. 30, 2017 5:11 pm

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I have the t handle. Just checked draft... It's -.03. I believe it should be -.02??? Pics to follow if I can figure out how to upload them
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Post by McGiever » Sat. Dec. 30, 2017 5:14 pm

Thanks That Helps Alot :D

Is that were Keystoker puts the fume switch at from the factory?




From the manual:
1. Restricted or blocked vent tube between stove and exhaust fan. SOLUTION: Pull power plug from receptacle, remove ash pan, and using brush supplied with stove, reach brush into exhaust pipe. Move brush in a circular motion to clean pipe and exhaust area. Plug power cord back in.
2. Restrict or blocked exhaust pipe from stove to outside of home. SOLUTION: Clean exhaust pipe.
3. Accumulation of dust on exhaust fan blade. SOLUTION: remove screws on motor mounting bracket and thoroughly clean fan blades on exhaust motor.
4. Extreme windy conditions outside of home blowing against exhaust air.
5. Safety switch defective. SOLUTION: Replace safety switch.
Do not allow ashes to overflow out of ash pan, this can cause blockage in exhaust system causing safety switch to trip, resulting in loss of fire. Blockage will have to be cleared before pushing reset button and re-starting fire.
Last edited by McGiever on Sat. Dec. 30, 2017 5:41 pm, edited 3 times in total.

 
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Post by gennylight01 » Sat. Dec. 30, 2017 5:22 pm

You mean the draft gauge? There's a hole in a for specifically for that purpose. As it's running it's. At -.04. the fume switch had a pipe and a nut and that hole in the side was where my old one was.

 
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Post by McGiever » Sat. Dec. 30, 2017 5:24 pm

No, Sorry, meant Fume Switch. :)

 
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Post by WNY » Sat. Dec. 30, 2017 5:39 pm

Draft on most stoves are -.02 to .-04. You should be good at -.03. I run mine at -.04, sometimes it goes up a bit when it's really cold.

Where are you measuring the draft?

Also, your joints on your pipe should be sealed, since the pipe is pressurized from the direct vent, unless that is a double wall pipe?

I've never had mine trip on the fume switch.

 
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Post by gennylight01 » Sat. Dec. 30, 2017 5:43 pm

Yes I believe so. It was not installed when I got it but with the wire length provided and a hole the same size as the pipe on fume switch it's a no brainer. I played with shutter on combustion motor to no avail. I did have flames shooting towards door occasionally so I closed it a touch. I also noticed I wasn't sealing door completely and remedied that. I am going to keep an eye on it. I had. 04 then. 03 and after making a few minor adjustments I was at. 02. Hot coals are pushing off grate as well so I turned the feed down. I'm going to thoroughly clean the vent this weekend. Perhaps the ah builds up more on this than the 90 I used to have. I just know I can't come home with it out. It's happened twice this week. Is there anything else I'm forgetting let me know please and thanks.

 
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Post by gennylight01 » Sat. Dec. 30, 2017 5:44 pm

My old 90 ran for ten years and it never tried that switch either and I only cleaned it once a year.

 
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Post by McGiever » Sat. Dec. 30, 2017 11:39 pm

What's the "draft port"?

More from the manual:
KOKER DIRECT VENT INSTALLATION INSTRUCTIONS

Draft Port, It might be necessary to clean draft port (Located inside exhaust outlet) every several weeks to keep the stove from tripping out on safety reset. [u]Using brush (furnished with stove)[/u] remove ash pan, reach into 6 inch exhaust pipe, and by using a swirling or circular motion, remove dust (bottom vent only). Top vent, remove cleanout plate on venter.
A tee or elbow may be used at this location. A tee will prevent any dust from accumulation during heating season.
It may be necessary to clean exhaust system and stove pipe during heating season. We recommend cleaning exhaust system monthly. Remove hanging baffle above 6 inch exhaust outlet inside stove (bottom vent only). Brush pipe in circular motion and vacuum stove pipe. To clean exhaust motor and radial fan blade, remove 4 screws on mounting bracket of exhaust fan and clean fan housing.
During annual maintenance, the ½ tube on safety fume switch must be cleaned out by vacuuming or by using a small brush. Vacuum or brush from inside of stove.
It is most important to perform the annual maintenance at the end of heating season. Residue left on the fan blade and exhaust system may cause rapid deterioration during nonuse.

 
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Post by gennylight01 » Sun. Dec. 31, 2017 6:58 am

I'm not sure but I want to clean it as soon as I can but it's 15 below with the wind chill in central new York today. I think cleaning will help me


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