Hi, my MPPT rs 450/200 give error 17 - high temperature fault

DIY
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1

Hi there,

Please, I’m in need of help.

My Newly installed MPPT rs 450/200 isolated solar charge controller is showing error #17 - high temperature.

Please, how can I resolve this issue

2

Better insulation, airflow and cooling?

3

What is the ambient temperature?