SOURCE: goodman mini split model # wmh24-1a error code
It's not an error. you have it set in auto mode and it is cooling. when it switches to heat the lights will switch as well. Set to cool only and it should go away.
First turn the main power off to the unit at the breaker, wait about five min. and switch the breaker back on, then see if this solves the problem. In the instalation manual that came with the unit on the last page you will see a code of the red blinking light, this will tell you the most likely problem if not solved by switching the breaker on again.............Hope this helps
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