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EC328 shorting out mains supply

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EC328 shorting out mains supply Empty EC328 shorting out mains supply

Post by DaveHayter Thu Jan 19, 2023 5:36 pm

I have just connected my Auto Sleepers Lancashire to the main supply at my home.
When I switched on the EC328, it tripped the main RCD in my house.
I tried again - same thing happened.
Has anybody else experienced this?
What is the solution?
Thanks
Dave
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EC328 shorting out mains supply Empty Re: EC328 shorting out mains supply

Post by Molly3 Thu Jan 19, 2023 5:51 pm

Check hook up cable
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Post by Roopert Thu Jan 19, 2023 6:06 pm

If the OP is an accurate description, it's not likely to be a problem with the hookup cable - that would normally cause the house RCD to trip as soon as the EHU cable is plugged in.

You should be able to pin the problem down a bit further as follows: Unplug EHU, turn off the RCD and all of the MCBs on the EC328 main panel, reconnect the EHU and check that the house RCD has not tripped. Now turn on the EC328's RCD, leaving all of the MCBs off. If it trips then, the problem is probably internal to the EC328. If it has not yet tripped, turn on each MCB and check for tripping. From this you can work out which circuit, and hence which group of appliances, is causing the problem.
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EC328 shorting out mains supply Empty Re: EC328 shorting out mains supply

Post by DaveHayter Thu Jan 19, 2023 7:18 pm

Roopert wrote:If the OP is an accurate description, it's not likely to be a problem with the hookup cable - that would normally cause the house RCD to trip as soon as the EHU cable is plugged in.

You should be able to pin the problem down a bit further as follows: Unplug EHU, turn off the RCD and all of the MCBs on the EC328 main panel, reconnect the EHU and check that the house RCD has not tripped. Now turn on the EC328's RCD, leaving all of the MCBs off. If it trips then, the problem is probably internal to the EC328. If it has not yet tripped, turn on each MCB and check for tripping. From this you can work out which circuit, and hence which group of appliances, is causing the problem.
Thanks Roopert - I'll be out of the country for a few days, but I'll try your check when I get back. Cheers!
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