Everything turns on in the system however the refrigerant pressure has a tiny leak that has allowed the suction pressure to drop to nearly 0psi running but returns to 100+ when turned off. System is nearly empty and will require a full charge with leak stop. 2007 Maratherm R22 equipment. No additional services are supported for r22 equipment. R22 is three generations old and obsolete 2010 ComfortMaker 80% 75K BTU Recommend replacing the equipment ASAP. Leak stop is not guaranteed. The only guarantee in this situation is a leak in the system that could blow out at any time