F3
Genie
Travel Limit Out of Range / Travel Module Fault
Opener runs only a few inches then stops and reverses; red STATUS LED flashes 3 times repeatedly.
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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
Mis-set open/close limits, Failed travel module (encoder) on motor, Loose or damaged limit harness, Stripped carriage or drive screw/belt causing false travel feedback
How to Fix / Troubleshooting
Safety first: Door is heavy. Pull the emergency release only when the door is fully closed if possible. Keep clear of the door path.
Steps:
- Check door balance: With opener disengaged, lift the door by hand. It should move smoothly and stay about halfway open. If not, call a door professional to adjust springs before adjusting the opener.
- Reprogram limits: Follow your Genie manual to reset travel limits. Typically, press and hold the SET/PROGRAM button until LEDs blink, then use the UP/DOWN buttons to set open and close positions, confirming each with SET.
- Inspect travel module harness: Remove the light cover and locate the small harness from the motor/travel module to the control board. Ensure it is fully seated and not pinched or damaged.
- Check drive system: Inspect the belt/chain or screw drive for stripped sections or binding. Repair any mechanical issues before retrying limit programming.
- Replace travel module: If limits cannot be set and F3 persists, replace the Genie travel module / encoder assembly specific to your model.
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Repair Difficulty
Medium
3/5
Required Part
Genie Travel Module / Encoder
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