this is a residential AC unit, R22 refigerant , coopland compressor, it runs fine the charge is good. but it will not start some times. it seems to be going out on thermal overload all the time but it doesnt seem to be overheating.

my thought is the internal thermal overload protection is bad.

however my question is the TXV seems to be staying closed because the high psi line is running at around 170 psi. BUT WHEN THE COMPRESSOR SHUTS OFF the pressure doesnt equal out. the high psi side (red side of guage) stays at 170psi while its not running.

is this normal with a TXV? is that why the compressor wont start again for a while becasue the txv is stuck closed? its not overcharged. just shuts off and wont start again for a while all the time.

any help with this high pressure while unuit is off due to txv stuck closed? would be appreciated thank you