I'm servicing an old Trane CVHE530, changed the oil and oil filter, but the purge pump won't work (changed the dryer filter) and the unit goes to surge at 70%, how can I force the pump to start purging the unit and how long may I have it working?
The diagnostic say:
01 Purge liq lvl to high, pump inop
02 High Condenser press, unit interrupted, verify cond water temp (69F in, 73F out)
I really need some help with this