thanks corvetteken.
All the terminals at the battery and disconnect switch are clean and no build up anywhere.
Although the voltage readings on the input and output sides of the disconnect switch are the same (whether high or low) we were considering replacing that switch.
Where would we find the ground for the battery ? Can we re-ground to the chassis?
This morning when we got out of bed (convertor is under the bed)the power tripped out as we put weight on the bed frame and floor !!, which happens most mornings! any ideas - may be a short circuit ?
It does not trip out when it is warm, but when the night air starts to cool, then it starts to trip.
Aussie Travellers