9
Marantec
Lost Travel and Force Parameters After Power Interruption
Opener beeps and shows “9” after a power outage; door may not move until reprogrammed.
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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
Non‑volatile memory error on control board, Power surge corrupting stored settings, Aging control board losing calibration, Incomplete initial setup
How to Fix / Troubleshooting
Safety first: Ensure the door area is clear before running setup cycles.
- Perform full setup: Many Marantec openers require a complete travel and force learn cycle after memory loss. Enter setup mode (usually by holding the program button until the display changes), then follow the prompts to run the door fully open and fully closed so the opener can learn limits and force.
- Verify smooth door operation: Before running the learn cycle, confirm the door moves freely by hand and is properly balanced. Correct any mechanical issues first.
- Surge protection: Plug the opener into a quality surge protector to reduce future memory corruption from power spikes.
- If code returns frequently: The control board’s memory circuitry is failing. Replace the Marantec control board/head assembly.
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Repair Difficulty
Medium
3/5
Required Part
Marantec Control Board (Logic Board)
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