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Baxi Genesis 80 help - please

 
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crogers
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Joined: 31 Oct 2008
Posts: 4
PostPosted: Fri Oct 31, 2008 7:07 pm    Post subject: Baxi Genesis 80 help - please Add User to Ignore List Reply with quote
Got a bit of a problem with my baxi genesis 80 - no HW or CH at all. When a HW demand is placed (opening a tap) the boiler only fires up for about 3 seconds then goes out.
Nothing at all happens on a CH demand.
I've checked the continuity of the flame sensor probe to the PCB - ok
The overtemp thermostat gives 0 ohms across it.
Any ideas?
Thanks in advance
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thescruff
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Joined: 10 Mar 2008
Posts: 5664
Location: Bath
PostPosted: Fri Oct 31, 2008 7:21 pm    Post subject: Add User to Ignore List Reply with quote
Pump and fan working ??

And lights on or flashing
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crogers
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Joined: 31 Oct 2008
Posts: 4
PostPosted: Fri Oct 31, 2008 7:24 pm    Post subject: Pump working fine Add User to Ignore List Reply with quote
Pump ok. Fan is coming on, even got correct reading across flow switch at the top of the boiler by the flue.

Chris

Last edited by crogers on Fri Oct 31, 2008 7:25 pm; edited 1 time in total
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crogers
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PostPosted: Fri Oct 31, 2008 7:24 pm    Post subject: Ooops Add User to Ignore List Reply with quote
All lights on ok as well

Chris
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thescruff
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Joined: 10 Mar 2008
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Location: Bath
PostPosted: Fri Oct 31, 2008 7:45 pm    Post subject: Add User to Ignore List Reply with quote
Are you an RGI.

Check the CH filter.

And flame rectification (sensor)
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crogers
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Joined: 31 Oct 2008
Posts: 4
PostPosted: Sat Nov 01, 2008 1:36 pm    Post subject: Add User to Ignore List Reply with quote
Not RGI but just want to get this working even tempoararily as am getting quotes for a new boiler anyway.

CH filter ok

What is the best way of checking the flame sensor?
Heating it and checking for a change in resistance?

Chris
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