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5 Remove the nuts (4 positions) and then remove the filter cover, exhaust
filter, fixing screws (4 positions) and the fan.
[Configuration of the model PH model]
6 Install a new fan by reversing the above procedure.
[Caution] Pay attention to the mounting direction of the fan (air flow direction).
7 Turn on the power supply and make sure that “Cooling Fan Fault ”
does not appear.