E14
Stihl
Bumper / Hood Sensor Stuck
Display shows E14 and the mower will not start; often after a collision or impact.
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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
Front hood deformed or misaligned, Debris jammed in bumper mechanism, Broken bumper spring, Faulty bumper switch
How to Fix / Troubleshooting
Safety first: Switch the mower OFF before handling the hood or bumper.
- Check hood movement: Gently press the front hood in and release. It should move smoothly and return fully. If it sticks, clean the hinge and side gaps with a brush.
- Inspect for damage: Look for cracks or deformation of the hood or bumper that could keep the sensor engaged. Replace damaged plastic parts.
- Manual reset: Some models allow a manual reset of the hood sensor by fully pressing and releasing it several times with the mower OFF.
If the sensor remains triggered or E14 persists, the internal bumper switch or sensor assembly may need replacement by a service technician.
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Repair Difficulty
Medium
3/5
Required Part
Front Bumper / Hood Sensor Assembly
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