Genergy
Unstable Voltage Regulation
Generator output voltage fluctuates noticeably, causing lights to flicker when running on generator power.
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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
Failing AVR, Loose voltage sensing connections, Rapidly changing loads, Poor engine speed control
How to Fix / Troubleshooting
Safety first: Only qualified personnel should measure live voltages. Isolate the ATS if necessary.
- Check load behavior: Identify any loads that cycle rapidly (e.g., well pumps, compressors) and see if flicker coincides with their operation. Consider relocating or soft‑starting these loads.
- Inspect AVR and sensing wires: Tighten all small‑gauge sensing connections at the alternator and controller. Look for corrosion or broken conductors.
- Verify engine speed stability: Use the controller diagnostics to monitor frequency. If frequency is unstable, address governor or fuel issues first.
- Replace AVR if necessary: If voltage remains unstable with steady load and correct frequency, replace the AVR with a Genergy‑approved unit.
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Repair Difficulty
Hard
4/5
Required Part
Automatic Voltage Regulator
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