E015
myenergi
Internal Low-Voltage Power Supply Fault
Zappi displays E015, no charging, often after a brownout or low-voltage event
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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
Failed low-voltage PSU on main PCB, Overloaded accessory power output, Surge damage to DC-DC converter, Short on low-voltage harness
How to Fix / Troubleshooting
Safety first: Internal power supply faults can cause unpredictable behavior; do not continue using the charger if it resets randomly.
- 1. Observe behavior: Note if the display flickers, reboots, or dims when E015 appears. This indicates low-voltage instability.
- 2. Disconnect accessories: Remove any non-essential accessories powered from the Zappi (e.g. third-party relays, add-ons) to reduce load on the internal PSU.
- 3. Power-cycle: Turn off the supply for several minutes, then power back on and monitor stability.
- 4. Inspect for damage: With power off, check the main PCB around the low-voltage power supply section for burnt components or bulging capacitors.
- 5. Do not bypass fuses: If any internal fuses are blown, replace only with identical ratings. A repeatedly blowing fuse indicates a deeper fault.
- 6. Replace main PCB if unstable: Persistent E015 or random resets require main PCB replacement by a service technician.
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Repair Difficulty
Hard
4/5
Required Part
Low-Voltage Power Supply (on Main PCB)
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