E14
Megear
Line Impedance / Voltage Drop Fault
Charger displays E14 and does not start; may occur when using extension cords or adapters.
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Possible Causes
Use of undersized extension cord with Megear portable charger, Loose plug blades or worn outlet contacts, Long wiring run with small gauge conductors, Overloaded circuit sharing other heavy loads
How to Fix / Troubleshooting
Safety first: EV chargers should be connected directly to a properly rated outlet or dedicated circuit. Avoid extension cords unless specifically approved by the manufacturer.
- 1. Remove extension cords and adapters:
- Plug the Megear charger directly into the correct NEMA outlet.
- Do not use multi-tap adapters or power strips.
- 2. Check outlet condition:
- Inspect the outlet for looseness; if the plug does not fit snugly, have the outlet replaced.
- Look for discoloration or heat damage.
- 3. Reduce circuit load:
- Ensure no other high-power devices (heaters, dryers, etc.) are on the same circuit while charging.
- If the circuit is shared, consider installing a dedicated circuit for the Megear charger.
- 4. Electrical evaluation:
- Have an electrician measure voltage at the outlet under load to check for excessive voltage drop.
- Upgrade wiring gauge or shorten run if necessary.
If E14 persists with a direct, properly wired outlet and no additional loads, the internal voltage monitoring circuit may be faulty.
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Repair Difficulty
Easy
2/5
Required Part
Megear Input Power Cord / Plug
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