E18
Hansa
Fan Speed Feedback Fault
E18 error; freezer may be excessively noisy from the fan area or show fan overspeed/underspeed behavior.
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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
Failed tachometer signal from evaporator fan, Damaged fan motor with built-in Hall sensor, Broken feedback wire to main board, Faulty fan speed monitoring circuit on board
How to Fix / Troubleshooting
Safety first: Unplug the freezer before working near the fan or evaporator.
Step-by-step checks:
- 1. Access evaporator fan: Remove the inner rear panel to expose the fan assembly.
- 2. Inspect wiring: Check the multi-wire harness to the fan motor for damage or loose connectors. Reseat the plug.
- 3. Replace fan motor: On models with electronically commutated fans, the speed feedback is integrated. If E18 persists and the fan is noisy, stalls, or runs erratically, replace the fan motor assembly.
- 4. Board diagnosis: If a new fan does not resolve the error, the monitoring circuit on the main board may be defective and the board should be replaced.
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Repair Difficulty
Medium
3/5
Required Part
Evaporator Fan Motor
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