E19
Garo
Auxiliary Power Supply Failure
E19 displayed; charger reports internal power supply fault.
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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
Defective low‑voltage power supply module on main board, Short circuit on 12 V / 24 V rail, Surge damage from lightning or grid events
How to Fix / Troubleshooting
Safety first: Isolate power and wait for capacitors to discharge before touching internal components.
- Visual inspection: Look for burnt components, bulging capacitors, or discoloration on the main board, especially near the power supply section.
- Check low‑voltage harnesses: Disconnect non‑essential low‑voltage loads (RFID, communication modules) one at a time and see if the error clears after reboot, indicating a shorted peripheral.
- Measure output (technician only): A qualified technician can measure the auxiliary supply voltages to confirm failure.
- Replace module/board: If the auxiliary supply is not producing correct voltages, replace the power supply module or the entire main control board as per Garo's service instructions.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board / Auxiliary Power Supply Module
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