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No heat or blue light

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Hi,

i have a Truma ultraheat electric heater. Mine has the two grey and black controls, one for the fan and the other where you select 500,1000 or 2000 Went to try it today and blue lights flickered for a fraction of a second then nothing. 

I have read some of Gary’s words of wisdom, especially one where he talks about a u/s transformer on the pcb board which causes loss of power to the switch. 

If the transformer is the big grey oblong piece on the pcb then I think mine is buggered as the top is domed as he describes. 

Can I replace the transformer or do I need a replacement board?  If I need a new/recon board can anyone suggest a source?

 

many thanks 

 

 

 

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