E17
AquaJet
Unstable Supply / Line Frequency Error
Display shows E17 and pump speed fluctuates unexpectedly.
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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
Generator or inverter-based power with unstable frequency, Loose neutral causing voltage swings, Shared circuit with large inductive loads
How to Fix / Troubleshooting
Safety first: Work with a qualified electrician when diagnosing supply quality issues.
- Check power source: Avoid running the AquaJet pump from small generators or non‑sine‑wave inverters. Connect to a stable utility supply where possible.
- Dedicated circuit: Ensure the pump is on a dedicated circuit, not shared with large motors (e.g., air compressors) that cause voltage dips.
- Tighten connections: Inspect and tighten all line and neutral connections at the breaker, junction boxes, and pump terminal block.
- Monitor with meter: Use a power quality meter to check for frequency or voltage instability. If present, correct the supply issue before further pump operation.
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Repair Difficulty
Hard
4/5
Required Part
Power Terminal Block
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