Having problems with your Air Conditioners ?

This unit just won't work at night

\015 We had a low ambient board, replaced it with a new one, have checked amp draw on compressor and outdoor motor, the indoor fan is working ok, the charge is correct cause we pulled it and put a new factory weight charge in, the error codes before we put the new board in were E13, now we're getting S07 , (outdoor pc board failure) . We built wind baffles for the condensing unit and that didn't help either. The customer is getting upset, Sanyo seems to be out of answers for us, we don't want to replace more parts that may not help, but we feel we're down to the expansion valve failing or the indoor pc board, and as much time as has been put in up to now, we feel it might be best to just get a new unit. Please help if u have heard of anything like this before.\015

Answers :

I had a similar issue with a product but not the same brand. It ended up being one of the many boards on this system even after the manufacturer said that the board that ended up being bad couldn't make the system behave in the way it was. After I replaced the bad board, it worked like a champ. I would recommend replacing the indoor pc board anyway. If that doesn't work, then there has to be something wrong with the wiring in the unit. If your charge is perfect then it wouldn't work even in the day time not just night especially if it were the expansion valve. I'm thinking that the units aren't communicating properly. Hope this helps.

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