Transtherm Compressor Short Cycling on Overload

Clicking sound from compressor area and no cooling

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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

Failed compressor start relay, Weak compressor drawing high current, Overheated compressor due to poor ventilation, Incorrect supply voltage

How to Fix / Troubleshooting

Safety: Unplug the cabinet before touching the compressor or electrical parts. The compressor can be very hot.

Steps:

  • Improve ventilation: Ensure adequate clearance around the cabinet and that ventilation grilles are not blocked.
  • Clean condenser: Remove dust from the condenser coil to reduce compressor load.
  • Replace start device: Inspect and replace the compressor start relay and overload protector if they show signs of overheating or rattling.
  • Allow cooling: Let the compressor cool for at least 30 minutes before restarting.

When to call a technician: If the compressor continues to click on and off after replacing the start device and improving ventilation, the compressor itself may be failing and requires professional replacement.

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Repair Difficulty

Hard 4/5

Required Part

Compressor Start Relay and Overload Protector
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