Axpert / Mercer cooling fan runs continiously

Good day, all.

Please assist with a problem I have with my 4 yr old Axpert / Mercer Inverter. The fans used to stop during the night on low loads. With loads as low as 150Watts the fans are still running. Any suggestions or info I can share?

Sounds like the intake filter/vents are blocked - if it has, use a vacuum cleaner or remove and wash them.

When I had my Mecer I inverted the fans. From the factory they pull air from top to bottom, which is not what hot air wants to do. By removing the 4 screws on the fans and rotating them to push air up, they almost never ran anymore. Try it

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I did the same - made a big difference!