Warm in Hawaii!! Help with a muy-a17na

[joe pau]

Aloha,

I have a muy-a17na. The issue I have is that it seems that in the morning, the unit starts to put out warm air with the operation light flashing in .5 second intervals. It says in the manual that this could be, "The serial signal from the outdoor unit is not
received for a maximum of 6 minutes." and "how to check mis-wiring and serial signal error". So I turn the unit off, let it shut down. Turn it back on and it seems to work just fine for the rest of the day, although today it did the same flashing 2x. It's working fine now.

My question is, is the unit getting too cold and blows warm air for defrosting? Or something else?

Thanks for the help.

[vstech]

get me a ticket over there and I'll fix it all up for ya!

seriously though, it sounds like the communicating wiring is not secure, and overnight a loss of signal is happening. you'll need a contractor to trace the problem and get it solved.