I installed new goodman heat pump. It has been cooling fine for 6 weeks.Stopped cooling, fan running indoors and outside but compressor not running.Contacts OK.If I turn breaker off then wait a few minutes, turn it back on it will start cooling again.This has happened twice in two weeks.Would appreciate any help
A lot of heat pumps have a lock out feature should pressure go too high or too low. However this feature would likely shut down the entire condensor unit (vs the compressor only). The lockout gets reset by cycling power. You can usually read diagnostic codes on the defrost board.
This unit could also have a bad or marginal cap. Capacitor failures are common even on fairly new units.
Was this a DIY install? If not, then get the contractor out since a new unit should be under warranty.