NewAir
Cooling System Not Engaging
Display is lit and controls respond, but interior is at room temperature; no sound from fans or compressor.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Control board not sending start signal, Failed relay on main board, Open temperature sensor circuit preventing cooling call
How to Fix / Troubleshooting
Safety: Unplug the cooler before accessing the control board or sensors.
Steps to restore cooling:
- Verify setpoint: Ensure the set temperature is below ambient so the unit should be calling for cooling.
- Check for error codes: Look for any sensor-related codes (E1–E3, E7–E8). Resolve those first, as the control may inhibit cooling if sensors are faulty.
- Inspect main control board: Remove the rear or bottom panel and visually inspect the board for burnt components or loose connectors.
- Check compressor and fan connectors: Ensure the harnesses from the board to the compressor relay and fans are fully seated.
- Replace main control board: If there are no sensor errors and wiring is intact but the board does not energize the compressor or fans, replace the NewAir main control board (PCB).
Note: If you are not comfortable working with electronics, have a professional perform these checks.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board (PCB)
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