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- 23 Jul 2020
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Hi,
About once a month I have the main 80A RCD trip. It will never reset immediately, so I turn off major items one by one (cooker, washer, fridge, dryer, etc.) until the RCD will reset.
1. I only have one appliance off at a time until I can rest the RCD.
2. Mostly, the appliance that allows the reset is not in use.
3. Here is the interesting bit, it is a different appliance each time that allows me to reset the RCD.
4. I can then always turn on the offending appliance without tripping the RCD
I then tried pressing the test button on the RCD box. Same result - I can only reset after a seemingly random appliance is turned off. Now I can reproduce the problem but am no closer to diagnosing the problem.
Any suggestions would be gratefully received.
Some detail:
RCD is LeGrand 086 31 80A.
House built in 2003
Of the major appliances, all are less that 2 years old except washer (7 years)
About once a month I have the main 80A RCD trip. It will never reset immediately, so I turn off major items one by one (cooker, washer, fridge, dryer, etc.) until the RCD will reset.
1. I only have one appliance off at a time until I can rest the RCD.
2. Mostly, the appliance that allows the reset is not in use.
3. Here is the interesting bit, it is a different appliance each time that allows me to reset the RCD.
4. I can then always turn on the offending appliance without tripping the RCD
I then tried pressing the test button on the RCD box. Same result - I can only reset after a seemingly random appliance is turned off. Now I can reproduce the problem but am no closer to diagnosing the problem.
Any suggestions would be gratefully received.
Some detail:
RCD is LeGrand 086 31 80A.
House built in 2003
Of the major appliances, all are less that 2 years old except washer (7 years)