Henderson Moisture Ingress / Corrosion

Water or moisture found inside opener housing; intermittent operation during damp weather.

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.

Possible Causes

Roof leaks above opener, Condensation, Missing housing gasket, Corroded PCB tracks

Safety first: Disconnect power before opening a wet opener. Do not operate the unit while wet.

Steps:

Dry the unit: Remove the cover and allow the Henderson opener to dry completely in a warm, dry environment.
Identify leak source: Repair any roof or ceiling leaks above the opener.
Inspect PCB: Look for corrosion on the control PCB. Light surface corrosion may be cleaned; heavy damage requires a new Henderson control PCB.
Seal housing: Ensure all gaskets and covers are properly installed to reduce future moisture ingress.

Medium 3/5

Henderson Control PCB

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