RCD trips to fast on test

[bgec]

Hay

I cant do an RCD test

When i press the test button the rcd trips before i can get a reading ??

 

[Amp David]

At least it trips.

Never seen this before. Are leads connected right and is it on both 1times and 5 times?

 

[cbw]

????????????????????????????????????????????????

My Fluke gives 0.0ms reading when the batteries are low.

 

[bgec]

I have tested with it on other jobs since with no issues. I will change the batteries just in case thanks cbw. 5x and 1x

 

[DurhamSparky]

my dilog gives a blank screen and just beeps at me then say M Ohm!! when batteries are low as its **** and i change them every bloody 3 weeks!!

 

[bgec]

my dilog gives a blank screen and just beeps at me then say M Ohm!! when batteries are low as its **** and i change them every bloody 3 weeks!!

What make is it? Mine is a Unitest supose it serves me right for being a tight *******

 

[DurhamSparky]

Dilog 9083P ...!!! after a Megger! 1552/3 when i can justify buying one! until then im just wasting money!

 

[Sintra]

Hay

I cant do an RCD test

When i press the test button the rcd trips before i can get a reading ??

I hope you don't mean you are pressing the test button incorporated on the RCD.


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[Amp David]

Thats a point

 

[tony mc]

Have you tried to ramp test it if your test instrument has that to see how many mAs its tripping out at. It could be the RCD.

 

[spursgaz]

Is it on "soft" test thats if it has that option?
is it a loop test? because an earth loop impedeance test will cause RCD to trip

 

[Risteard]

I hope you don't mean you are pressing the test button incorporated on the RCD.


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That's the way I read it too...

 

[pushrod]

could well be a "cooked" rcd - ramp test it and also check your tester on another rcd. A megger 1552 will show "TRP" if the rcd is faulty and not behaving. Have seen this when the load from the mcbs well exceeds the max cabability of the rcd.

 

[robd]

my dilog gives a blank screen and just beeps at me then say M Ohm!! when batteries are low as its **** and i change them every bloody 3 weeks!!

What make testers have you got? My megger mft seems to get through them fairly quick, although have started turning them off between tests lately and this seems to help.

 

[dixon9]

Hay

I cant do an RCD test

When i press the test button the rcd trips before i can get a reading ??

Ah! You are not doing what I think you are doing are you?!

The "TEST" button on the RCD is for manual mechanical testing only - you do not press this when carrying out the X1 and X5 tests with your meter.