Got a york 4ton heat pump condenser with 90psig suction at 51dergees an a 100psig head at 61 degrees i think. its 50 degrees outside. i think its a bad compressor. let me know what you think. its about 7 years old
If no one has changed anything at the indoor evaporator coil I would agree with your assessment. Any chance it is low on refrigerant. Have there been any previous service calls to add refrigerant due to poor cooling..