Klarstein Voltage Drop / Inrush Current Issue

Klarstein air conditioner display and lights flicker or dim when compressor starts.

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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

Weak household circuit, undersized wiring, failing compressor drawing high inrush current, loose electrical connections, faulty start capacitor

How to Fix / Troubleshooting

Safety: Work on mains wiring only if you are qualified. Otherwise, consult an electrician.

Steps:

  • Dedicated circuit: Ensure the AC is on a dedicated circuit with the correct amperage as specified by Klarstein.
  • Check extension cords: Do not use extension cords or power strips; plug directly into a wall outlet.
  • Inspect connections: Have an electrician check for loose connections at the outlet, breaker, and distribution board.
  • Capacitor and compressor: A technician can test the start/run capacitor and compressor current draw. Replace the capacitor if weak; if compressor inrush is abnormally high, compressor may be failing.
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Repair Difficulty

Hard 4/5

Required Part

Compressor Start/Run Capacitor
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