Arrived on site to diagnose a 2002 aireflow system that’s not cooling. Upon arrival spoke over to client and they stated unit would work and then randomly indoor unit blower would not operate but condenser and compressor would still be on and operating but no air flow. They Also stated out door condenser would created water as well but not sure from where and compressor would start making loud noises. They stated they have had there neighbor who is in HVAC filed as well has done repairs on both unit in past. Clients turned unit on and system did operate as they stated is would do it randomly. Went inspect indoor unit. Checked power and low voltage and is all good. Jumped blower and blower tune on. Jumped cooling mode and both cooling and blower motor turn on. Advised if I could do a full system evaluation to ensure there’s is no other issues in system. Inspected out door unit as well. The summary of findings are as followed. Furnace. 1. Faulty circuit board. Having intermittent