E14
Cardale
Under‑Voltage or Over‑Voltage Protection
Opener intermittently stops and displays E14; courtesy light may flicker. Often associated with very low or high mains voltage.
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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
Mains supply outside specified range, Loose neutral or live connection, Faulty internal transformer/SMPS regulation, Shared circuit with heavy‑load appliances causing dips
How to Fix / Troubleshooting
Safety first: Only qualified persons should work on fixed wiring. Always isolate power before opening junction boxes.
- Measure mains voltage: Use a multimeter to check the supply at the opener while it is operating. Voltage should be within the range specified in the Cardale manual (typically around 230 V ±10%).
- Inspect supply wiring: Check the fused spur, plug, or junction box feeding the opener for loose terminals or signs of overheating. Tighten connections and replace damaged components.
- Reduce shared load: Avoid running high‑current devices (welders, compressors) on the same circuit as the opener if possible.
- Check internal PSU: If mains is stable but E14 persists, the internal power supply on the control PCB may be failing. Replace the Cardale control PCB / power module.
- Consider surge protection: Install a suitable surge protector to protect the opener from future voltage spikes.
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Repair Difficulty
Hard
4/5
Required Part
Cardale Power Supply / Control PCB
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