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Tech Head - The Technology Section
The Work Bench and Soldering Station
Boiler woes
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<blockquote data-quote="Channel Hopper" data-source="post: 898556" data-attributes="member: 175144"><p>Resoldered as many connections as I can see on the board, there are small IC's on the rear of the panel that are impossible to deal with though.</p><p></p><p>Double checked the thermistors in the demand piping and they check out. The manual states that if there is a 5V between the pins to the DHW switch when there is a damand then it's either the water regulator switch, wiring, or the board. I've checked the first two, though I cannot get to the mechanical regulator itself as it is behind a very awkward 24mm brass nut.</p></blockquote><p></p>
[QUOTE="Channel Hopper, post: 898556, member: 175144"] Resoldered as many connections as I can see on the board, there are small IC's on the rear of the panel that are impossible to deal with though. Double checked the thermistors in the demand piping and they check out. The manual states that if there is a 5V between the pins to the DHW switch when there is a damand then it's either the water regulator switch, wiring, or the board. I've checked the first two, though I cannot get to the mechanical regulator itself as it is behind a very awkward 24mm brass nut. [/QUOTE]
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