E20
Kipor
Frequency Out of Range / Governor Control Fault
Generator runs but E20 is displayed and unit may not synchronize with ATS
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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
Misadjusted mechanical governor, Faulty electronic governor actuator, Sticking throttle body, Controller frequency setpoint incorrect
How to Fix / Troubleshooting
Safety first: Keep clear of moving linkages while the engine is running. Only trained personnel should adjust governor settings.
- Step 1 – Measure frequency: Use a frequency meter at the generator output. Note whether frequency is consistently high or low.
- Step 2 – Inspect governor linkage: With engine off, move the governor arm and throttle to ensure free movement. Lubricate pivot points and remove obstructions.
- Step 3 – Adjust governor (mechanical): Follow the Kipor service manual to adjust governor spring tension to bring frequency into spec under no‑load and rated load.
- Step 4 – Check electronic actuator: On models with an electronic governor, verify that the actuator receives control signals from the controller. Replace the actuator if it does not respond or moves erratically.
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Repair Difficulty
Hard
4/5
Required Part
Governor Actuator
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