What to do if MacroAir Technologies EnergyLogic AVD3 shows Supply Voltage High Warning?
- CChristopher CochranAug 26, 2025
If you're getting a Supply Voltage High Warning on your MacroAir Technologies Fan because the controller detects the bus voltage is above the threshold, here's what you can do: Start by turning the incoming power off for two minutes, then turn it back on. Next, make sure the power supply is within the fan's specifications. Check for any power spikes using a power quality recorder. Finally, confirm that the motor wiring is correct.




