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Old 12-27-2011, 10:45 AM   #1
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Greencheck pvf-100


furnace will not light...getting control fault...when i reset furnace, purge motor comes online, pressure switch makes, then ignitor fires for a second, then unit shuts down, ignition module gives control fault..what are some things i should be checking??

By gatorchin75 at 2011-12-27

By gatorchin75 at 2011-12-27


By gatorchin75 at 2011-12-27

By gatorchin75 at 2011-12-27

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Old 12-27-2011, 12:06 PM   #2
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Greencheck pvf-100


WTF kind of furnace is this? looks like a highly over-engineered unit........wow. Bad ignition control I would guess, but there are so many extra controls that it would only be a guess......

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Old 12-27-2011, 12:25 PM   #3
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Greencheck pvf-100


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Originally Posted by harleyrider View Post
WTF kind of furnace is this? looks like a highly over-engineered unit........wow. Bad ignition control I would guess, but there are so many extra controls that it would only be a guess......
LOL...yeah..lots of extra switches and relays for sure..this is a greencheck pvf-100 on a innovent industrial dehumidifier unit
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Old 12-27-2011, 12:34 PM   #4
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Greencheck pvf-100


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Originally Posted by gatorchin View Post
LOL...yeah..lots of extra switches and relays for sure..this is a greencheck pvf-100 on a innovent industrial dehumidifier unit
that fenwall ignition control would be the first thing ide be lookin at
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Old 12-27-2011, 12:55 PM   #5
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Originally Posted by harleyrider View Post
that fenwall ignition control would be the first thing ide be lookin at
earlier i was getting air flow fault...i bypassed the air proving switch and got the same outcome...wired switch back correctly then i started getting control fault...unit was shutting down at the same time during ignition sequence, but giving me two difference codes..i think the fenwal is bad as well..but how can i check to make sure??

Last edited by gatorchin; 12-27-2011 at 12:55 PM. Reason: needed to add
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Old 12-27-2011, 01:40 PM   #6
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Greencheck pvf-100


usually if you have good power in and no signal out its a given that the control is bad
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Old 01-01-2012, 07:57 AM   #7
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that fenwall ignition control would be the first thing ide be lookin at
that was the problem...installed new ignition control, runs like a champ
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Old 01-01-2012, 11:17 AM   #8
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that was the problem...installed new ignition control, runs like a champ
Glad its running again.....happy new year

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