Arrived onsite for ac maintenance on 2 Systems. Asked customer to turn AC on to confirm operation. First floor condenser never turned on. Performed diagnostic on first floor system. Found low refrigerant safety engaged. Measured low 410a. Used electronic leak detector but could not find the leak. Recommend nitrogen leak test. Note the air handler parts warranty expires January 1 2026. Removed top of both condensers, cleaned out all debris. Chemically Cleaned outside coils.
