E6
Henderson Control Logic Fault / Firmware Error

Opener beeps and shows E6; remotes and wall control are unresponsive.

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Safety Warning

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.

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Possible Causes

Corrupted control board firmware, Power surge damage to logic PCB, Loose control board connectors, Failed memory IC on Henderson control PCB

How to Fix / Troubleshooting

Safety first: Turn off power at the breaker before opening the opener housing.

Steps:

  • Power cycle: Disconnect power for 5 minutes to allow capacitors to discharge. Restore power and check if E6 clears.
  • Inspect control PCB: Remove the opener cover and visually inspect the Henderson control PCB for burn marks, swollen components, or loose ribbon cables. Reseat all connectors.
  • Factory reset: Follow the Henderson manual to perform a factory reset (often involves holding the SET or LEARN button for a specified time). Reprogram travel limits and remotes afterward.
  • Surge protection: If E6 appeared after a storm or outage, install a surge protector on the opener circuit to prevent repeat failures.
  • If E6 persists: Replace the control PCB with a genuine Henderson logic board. This typically requires transferring wiring one terminal at a time to avoid misconnection.
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Repair Difficulty

Hard 4/5

Required Part

Henderson Control PCB
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