G'day guys,

In my travels I have come across one of these domestic units with intermittant faults that I have been unable to remedy permanently, wondering if any of you blokes could shed some light on where I might be going wrong, or if anyone has specific experience with such a domestic unit?

Basically its as follows, the original problem appeared to be that the A/C was low on gas & the leaks were around the flared connections on the condensor outside. The condensor's concrete pad had sunken about 40 mm over time as the soil compacted. After having the leaks fixed & the A/C regassed the A/C's condensor fan & compressor would not start. The service guy advised the compressor had burn't out. I got a second opinion the next service guy found the the main contactor to the compressor failed it's thermal overload.
Apparently the power supply from the main contactor also supplies the contactor on the condensor fan so that is why it also did not run.
I have had a new contactor & overload fitted today & the A/C ran for about an hour & it appears it has failed as well.
Can you give me some advise on what could be happening?

cheers,