FAQ

MPPT 80 solar charge controller work for a period of time after a sudden interruption, the internal fan does not work, hot air can not disperse, how to solve?

2021-01-28

You can test whether the fan in flexmax MPPT 80 solar charge controller is normal. The details are as follows: Unplug the fan plug, connect the red wire to the positive pole, and connect it to the DC ﹣ 12V power supply. If the fan can run, it is good, but if it can't, it is bad.

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