Arrived on site customer stated that her husband and a Fran had installed two mini split heads and the mini split condenser last week and we’re getting errors about refrigerant. Upon inspection, both mini splits appear to be very clean. I conducted leak search and found that as soon as I walked into the downstairs room, my detector began detecting refrigerant. I was able to find the leak through the insulation outside where the flare fittings connect to the heads. Provided estimate for repair and refrigerant. Customer stated she needed to talk with her husband and would call back in the morning. On the main house unit I 1. Visually inspected condenser coil for debris/ dirty. 2. Inspected condenser fan motor. 3. Inspected condenser fan blades. 4. Inspected/ cleaned wiring connections. 5. Tested compressor/ condenser fan motor capacitor. 6. Checked compressor amp draw. 7. Checked condenser fan motor amp draw. 8. Inspected / replaced return filter. 9. Inspected return plenum for debris/