E16
AquaJet
Internal Memory / Parameter Corruption
Pump display shows E16 and unit will not start; often after long storage or installation.
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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
Corrupted EEPROM on control board, Interrupted firmware update, Voltage spikes during programming
How to Fix / Troubleshooting
Safety first: Disconnect power before opening the control housing.
- Factory reset: Follow the AquaJet manual procedure to perform a full factory reset of parameters. This often clears minor memory errors.
- Reprogram settings: After reset, re‑enter all required speed schedules, timers, and configuration options.
- Firmware update: If AquaJet provides firmware updates via USB or service tool, apply the latest firmware following their instructions.
- Replace control board: If E16 persists and the pump cannot be configured, the control board's memory may be defective and require replacement.
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Repair Difficulty
Hard
4/5
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