E11
Eldom
Internal Communication Error (Main PCB to Sensor/Module)
Display shows E11; heater may heat but shows error or may shut down intermittently.
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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
Loose internal connectors, Damaged wiring harness, Faulty control PCB microcontroller
How to Fix / Troubleshooting
Safety: Disconnect power before opening any covers.
Steps:
- Inspect harnesses: Open the control compartment and check all plug-in connectors between the main PCB, sensor harness, and any auxiliary modules (e.g., Wi-Fi, remote control).
- Reseat connectors: Unplug and firmly reinsert each connector to ensure good contact.
- Check for mechanical damage: Look for crushed cables or signs that the cover has pinched a wire.
- Power cycle: Restore power and see if E11 clears after a full power-off reset (leave off for 1–2 minutes).
- Replace PCB: If wiring is intact and E11 persists, the main control PCB is likely defective and should be replaced.
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Repair Difficulty
Medium
3/5
Required Part
Eldom Wiring Harness / Control PCB
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