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Supernova Error Code 53

PostPosted: Mon Jun 16, 2014 8:59 pm
by southseas
Testing a diesel space heater the other day and my Supernova's screen went blank, tester shut down after showing "error code 53"- then rebooted OK when I restarted it- seems otherwise fine and I have to carry on using it as my other Supernova is with the NZ Service Agent to find out why it keeps warning of a possible floating earth (when there isn't an issue).

Anyone got any ideas on "Error Code 53" ??