Below is a flowchart used to determine why a Velit AC unit may not be producing cooled air. Below the flowchart each step is broken down with instructions. Disclaimer: This flowchart should only be used as basic diagnostic guidance only.
Video: AC Not Blowing Cold
Additional Instructions for Each Step:
S1: Put Unit in Turbo Mode, Lowest Setting Temp
(image coming soon)
S2: Ambient Temp is at least 70 Degrees F
Ensure ambient (inside) temp is at least 70 degrees F for the controller to call for cooling.
S3: Does Unit Draw Over 100W?
Watts = Amps x Volts
S4: Does Outside Fan Run?
Outside fan is the condensor fan.
S5: Reseat 4-pin Connector on Display Panel
(image coming soon)
S6: Does Pin 3 - 2 Read 5V+
See the image below, you want to measure voltage between pins 2 and 3 as shown at bottom of chart.
S7: Reseat Controller Plug