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Old 01-17-2009, 05:22 PM   #1
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Pilot Problem


Hi,
My elderly neighbor asked me to check her pilot light, which won't stay lit. The sensor was replaced last year by a pro and she said it went out after a few days, she called and he came out and relit it and again, it stayed lit only a few days. I tried to light it for her, but to no avail. If the sensor is good, where do I look next? The specs I got off the sticker are:
Majco Model G436N
and at the pilot control:
WR Model 36CO3U Type 333
Thanks!
-- Johnny

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Old 01-17-2009, 05:36 PM   #2
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Pilot Problem


By sensor do you mean the thermocouple? Were you able to actually light the pilot and it just goes out when the button let go. Or what actually happins.

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Old 01-17-2009, 07:20 PM   #3
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Pilot Problem


I might be mistaken (wouldn't be the first time), but the pilot flame shoots out sideways against a 1 1/2" long cylinder that is wired out the bottom to the pilot control unit. It was my assumption that when it gets hot enough, it tells the pilot conrol unit to keep the gas flowing. I apologize for my ignorance of proper part names, but I'm new to this stuff.
Thank you for your help,
John
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Old 01-17-2009, 07:23 PM   #4
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Pilot Problem


Sorry... Realized I didn't actually answer your question -- Yes, the pilot goes out when I release the knob.
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Old 01-18-2009, 02:41 AM   #5
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Pilot Problem


is it wired or just one single copper "wire" its not actually a wire but looks like a bare copper wire if it is than the flame needs to totally engulf the cylinder you referred to and should turn it cherry red after a min or so are you waiting at least 30 to 45 sec before releaseing the button?
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Old 01-18-2009, 10:30 AM   #6
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Pilot Problem


I can't tell if it's a single wire... it's bound with a metal sheathind wound around it. The cylinder is about 1/4 - 3/8" dia and 1 1/2" long and isn't "engulfed" in flame, but is in direct contact and gets pretty hot.
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Old 01-18-2009, 03:07 PM   #7
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Pilot Problem


Sounds like you have a powerpile self generating system. At the opisite end of the wire it probly splits to 2 wires and connects to the gas valve. There could be a couple of possabilitys.
1st. the connections must be clean and tight at the gas valve this runs on very low voltage.
2nd. The pilot generator itself (power pile) May be bad If you have a volt meter I belive if I remember correctly the generate about 750mv wile the pilot is heating it.
3rd. the gas valve pilot baso could be bad. If this you should have a pro replace it. Hope this helps.

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