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Mend Dimplex Convector Heaters

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Why does my Dimplex duo 500i make a ticking noise?

When the Dimplex duo 500i is switched on there is a loud ticking noise accompanied by the Led display panel flashing in time. Does anyone know how to fix this??

Thanks.

Gareth Caldecott
December 2011
yes inside left hand side right at the top,there are 2 screws on the inner top which holds a plate with the cutout and charge controller attached

toptrish
December 2011
Toptrish thats brilliant thanks so much for your help. I dont suppose you know where the reset button is on a 400n do you these heaters are testing my patience ha ha?

Gareth Caldecott
December 2011
it requires the power pcb replacing part No DH03014

toptrish
December 2011
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