stewieb Posted September 18, 2021 Report Share Posted September 18, 2021 Hi I done a water change and now my rcd is blowing. When Ive done some testing and disccont the heater plug the tubs starts and pumps work so it apppers to be something to do with the heater. One thing I did note when I un plugged the heater the plug was a little grease is this correct and could this be the cause, if not what else should I try? Many thanks Quote Link to comment Share on other sites More sharing options...
RDspaguy Posted September 18, 2021 Report Share Posted September 18, 2021 What is an rcd? Quote Link to comment Share on other sites More sharing options...
cranbiz Posted September 20, 2021 Report Share Posted September 20, 2021 The grease is most likely dielectric grease and would be considered normal. What is a RCD? Fuse, GFCI? Do you have air in the pipes? An air blockage will cause issues. Quote Link to comment Share on other sites More sharing options...
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