Discuss Possible Job For Tomorrow in the UK Electrical Forum area at ElectriciansForums.net
The 'occasional trip' and the 2.5A leakage current don't really go well together. 'Won't reset' would be better.
Measuring the leakage down the CPC or main earth doesn't show you what's being lost down parallel paths so it's not the most accurate way of testing..
I can't see how the RCD would hold if it 'is' leaking that much.
Is it a single RCD or dual RCD board?
Are you asking for hints/tips or just informing us of your working day ahead?
You can't use the current in mA, you need to use 2.5 Amps instead.
Not a dead short at 92 OhmsIf the cooker is on and it's leaking >30mA why has it not tripped then?
2,500,000 / 1000 gives milliamps Leave I in Amps, not Milliamps
A = 2.50A
IR = 230 / 2.50
IR = 92 Ohms
if I'm correct in my calculation you have a almost a dead short somewhere?
The Rcd is faulty and there is a dodgy ring on the hob, test the rcd as per usual, at times half, one and five on 0 and 180 degrees, that will sort that bit out, then you can look at whats going on with the oven.
Not a dead short at 92 Ohms
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