Glow worm hairdryer trick | Air Sourced Heat Pumps | Plumbers Forums

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W

Whyme

Hi just thought id share this with y'all ( havent seen it in the forums). I went to swap an expansion vessal and prv on a glow worm 38cxi today, Easy peasy..Came to fire boiler after refilling and the fan was just pulsing and the display pulsed on and off with the fan. At which point i thought id got the pcb wet and fried it. To cut a long story short i rang gw, thier technical told me that theres a faulty resistor on the main boards and sometimes when they go cold it starts giving this fault. So he suggested heating the pcb with a hairdryer and it worked believe it or not. Dont know if its permenent but got me out the crap..:wacko:
 
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