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Alpha HECB33 Red Light

M

mallyplumbob

Joined
21 Feb 2008
Messages
188
Reaction score
8
Location
Derbyshire
Country
United Kingdom
Customer has Alpha HECB33 and intermittently has fault with the red light flashing once per second.
Alpha tech says this is overheat problem.
Any ideas.
Boiler approx 5 years old
 

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