p0930 Posted June 18, 2015 Share Posted June 18, 2015 I am up in Orkney with no dealer suppor available. My water heater will not fire up. It seems to ignite then I hear what seems to be a whirring type noise and the failure light comes on. It was working ok until today. Can anyone offer advice please? Link to comment Share on other sites More sharing options...
Will86 Posted June 18, 2015 Share Posted June 18, 2015 Is the gas bottle near empty? Do you have enough gas pressure to maintain a flow? Link to comment Share on other sites More sharing options...
Dr Dave Posted June 18, 2015 Share Posted June 18, 2015 We had exactly the same issue. The cause was condensation / moisture on the pcb take it out dry it with paper towel and leave it near the heater for a good dry out. Put it back and all may be well. Its under the triangular cover and after unplugging it just pulls out. to sort the problem long term cover the ignition output terminals of the spark transformer with hot melt glue for additional insulation. Hope it solves your problem. Dave Link to comment Share on other sites More sharing options...
p0930 Posted June 18, 2015 Author Share Posted June 18, 2015 Thank you, I will take the PCB out tomorrow. Gas bottle is full. Link to comment Share on other sites More sharing options...
p0930 Posted June 19, 2015 Author Share Posted June 19, 2015 Thanks for your help but drying the PCB did not help. Thank you for trying though. Link to comment Share on other sites More sharing options...
p0930 Posted June 19, 2015 Author Share Posted June 19, 2015 Can you tell me where the output terminals are located please? Link to comment Share on other sites More sharing options...
Dr Dave Posted June 19, 2015 Share Posted June 19, 2015 Hi was the pcb damp or slightly moist (if so this will be the issue) just a word of caution it took ours several hours to dry out as the moisture penetrates under the components if it was the slightest bit damp when you removed it then a hair dryer for a while then a long slow dry is required. ours took over 12 hours. and of course dry out the enclosure. the ignition output terminals are the two at the bottom of the pcb. Dave Link to comment Share on other sites More sharing options...
p0930 Posted June 19, 2015 Author Share Posted June 19, 2015 Many thanks, you were absolutely right. After drying for a few hours it started right back up again. I would have been really stuck but for your advice. Neither Truma or the dealer were able to offer a solution. Link to comment Share on other sites More sharing options...
Dr Dave Posted June 19, 2015 Share Posted June 19, 2015 The dealer would no doubt have sold you a new pcb at £150. this is quite a common problem with these water heaters i have helped several people with the same issue. Glad your sorted i will give you a shout next time we are in dingwall ;-) Dave Link to comment Share on other sites More sharing options...
p0930 Posted June 19, 2015 Author Share Posted June 19, 2015 Please do we would be delighted to extend some Highland hospitality. Link to comment Share on other sites More sharing options...
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