istor he 325.

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27 Jan 2008
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Devon
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United Kingdom
i work on a new development in plymouth where ther are 110 apartments, i am constantly asked (to try & save time) what l 9, h 9 , l flash f is ...any ideas?
 
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L9 and H9 are overheat I believe. LF is lockout due to flame failure for a ridiculous number of reasons.

L codes are reset by the reset button, whilst H codes are more serious and need the power off to reset.
 

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