E20
Hansa
Input Voltage / Power Protection Fault
Display shows E20; ice maker detects abnormal voltage level and suspends operation to protect components.
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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
Supply voltage too low or too high, Loose power cord connection, Faulty internal power supply module, Shared circuit with heavy loads causing drops
How to Fix / Troubleshooting
Safety first: Unplug the ice maker before inspecting the power connection.
- Verify outlet voltage: Use a multimeter to measure the voltage at the outlet. It must match the rating on the Hansa nameplate within tolerance.
- Dedicated circuit: If the ice maker shares a circuit with large appliances, move it to a dedicated circuit to avoid voltage dips.
- Inspect power cord: Check the cord and plug for damage, burns, or loose prongs. Replace if any defects are found.
- Internal power module: Access the control compartment and inspect the power supply section for burnt components or swollen capacitors. Replace the power module or main PCB if damaged.
- Use surge protection: After resolving issues, consider a quality surge protector to protect electronics from spikes.
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Repair Difficulty
Medium
3/5
Required Part
Internal Power Supply Module / Main Control Board
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