E17
Hansa
Defrost Timer / Control Logic Fault
E17 error; freezer may not defrost properly and may show irregular temperature swings.
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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
Software error in electronic defrost control, Stuck defrost relay, Corrupted EEPROM on main board, Faulty defrost cycle sensor feedback
How to Fix / Troubleshooting
Safety first: Unplug the appliance before accessing the main control board.
Step-by-step checks:
- 1. Reset control: Disconnect power for at least 15 minutes to allow the control to fully reset. Reconnect and monitor operation over 24 hours.
- 2. Force defrost (if supported): Some Hansa models allow entering a service mode to force a defrost cycle. If the unit will not enter or exit defrost correctly, the control logic or relay may be faulty.
- 3. Listen for relay: During transition into defrost, listen for a click from the main board. No click may indicate a stuck or failed relay.
- 4. Replace main board: If sensors and heater are known good but E17 persists and defrost timing is erratic, replace the main control board.
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Repair Difficulty
Hard
4/5
Required Part
Main Control Board
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