E25
Siemens
Fan Speed / Feedback Error
Freezer displays E25 and the internal fan speed seems abnormal (too slow or not running steadily).
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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
Defective DC evaporator fan motor with tachometer output, Blocked fan blades causing overload, Broken tachometer feedback wire, Faulty fan driver circuit on PCB
How to Fix / Troubleshooting
Safety: Disconnect mains power before accessing the fan or control board.
- 1. Access fan assembly: Remove drawers and the inner rear panel to expose the evaporator fan.
- 2. Inspect for obstructions: Check for ice, packaging, or wiring interfering with the fan blades. Clear any obstructions and ensure free rotation.
- 3. Check wiring: For DC fans with multiple wires, ensure all conductors are intact and firmly connected. Look for broken or pinched wires.
- 4. Replace fan motor if faulty: If the fan does not run smoothly when powered or makes grinding noises, replace it with a Siemens-compatible DC evaporator fan motor.
- 5. Inspect PCB fan driver: If a new fan still triggers E25, the driver circuit on the main PCB may be defective and require board replacement.
- 6. Reassemble and test: Refit panels, restore power, and verify normal fan operation and absence of E25.
Warning: Do not operate the freezer for long periods with the fan disconnected; this can cause evaporator icing and poor cooling.
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Repair Difficulty
Hard
4/5
Required Part
Evaporator Fan Motor
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