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https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl DIY Forum >> Plumbing Questions >> BAXI 105 HE FLAME FAILURE https://www.askthetrades.co.uk/cgi-bin/yabb/YaBB.pl?num=1290959413 Message started by raynos on Nov 28^th, 2010, 3:50pm

Title: BAXI 105 HE FLAME FAILURE
Post by raynos on Nov 28^th, 2010, 3:50pm

HI IVE HAD NO HEATING OR HOT WATER FRO OVER A WEEK NOW.

FLAME FAILURE NEON FLASHES.

STARTS UP, IGNITES, ATTEMPTS FOR 10 SECONDS BEFORE ABORTING.
TRIES TWICE MORE BEFORE FAILING AND NEON FLASHES.

REPLACED PCB, MICROSWITCHES, GAS SENSORS, SELECTOR SWITCH COUPLE OF ISOTHERMS, FLUE STAT, WITH SAME RESULT EVERYTIME.

PRESSURE IS AT 1.5 NO PROBLEM PRIOR TO THIS.

PLEASE HELP ITS FREEZING!!!!

Title: Re: BAXI 105 HE FLAME FAILURE
Post by tomplum on Dec 1^st, 2010, 9:15pm

air pressure switch is a common cause of this problem,

Title: Re: BAXI 105 HE FLAME FAILURE
Post by thescruff on Dec 2^nd, 2010, 12:06am

Have you checked the condensate pipe is not frozen. ;D

Title: Re: BAXI 105 HE FLAME FAILURE
Post by greg on Dec 11^th, 2010, 8:06pm

With all the bits youve thrown at it without success would have been cheaper to get a RGI in to look at it