Kipor Automatic Transfer Failure (ATS Not Transferring)

Kipor generator fails to transfer load automatically when mains fails, but runs normally in manual mode

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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

ATS control coil failure, Mechanical binding in transfer mechanism, Incorrect wiring between ATS and generator, Failed ATS controller

How to Fix / Troubleshooting

Safety first: De‑energize both utility and generator sources before opening the ATS. Only qualified personnel should service ATS equipment.

  • Step 1 – Verify generator output: Confirm the generator is producing correct voltage and frequency when running.
  • Step 2 – Check ATS control signal: Ensure the Kipor generator is sending a transfer permission signal to the ATS (if required by design).
  • Step 3 – Inspect ATS mechanism: With power off, manually operate the transfer mechanism (if possible) to check for binding or mechanical damage. Lubricate or repair as needed.
  • Step 4 – Test ATS coils and controller: Measure coil resistance and check for proper voltage during transfer command. Replace failed coils or ATS controller board.
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Repair Difficulty

Professional Required 5/5

Required Part

Automatic Transfer Switch Assembly
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