E13
Lowara
Internal Drive Fault / Self‑Diagnostics Error
Pump display shows E13, runs erratically or not at all
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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 microcontroller on Lowara drive, Corrupted firmware, Internal sensor failure (temperature, current), PCB damage from moisture or insects
How to Fix / Troubleshooting
Safety first: Disconnect power and wait for internal capacitors to discharge before opening the drive.
- Visual inspection: Open the drive enclosure and inspect the PCB for burn marks, insect nests, corrosion, or loose connectors. Clean gently if contamination is found.
- Factory reset: If supported, perform a parameter reset to factory defaults following the Lowara manual. Re‑enter required settings.
- Environmental check: Ensure the drive is installed in a dry, ventilated location within the specified temperature range.
- Test operation: Restore power and test in local/manual mode. If E13 reappears, internal electronics are likely faulty.
- When to call a pro: Internal drive faults generally require replacement of the drive/control module. Have a technician confirm compatibility and transfer settings.
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Repair Difficulty
Professional Required
5/5
Required Part
Lowara pool pump drive/control module
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