Clicking sound from compressor area, but compressor does not stay running

Safety: Unplug the unit before accessing the compressor compartment. Mains voltage is present in this area.

Steps to investigate clicking:

• Ventilation and voltage: Ensure good airflow around the unit and that it is plugged directly into a wall outlet (not an overloaded extension).
• Access start components: Remove the rear panel and the plastic cover on the compressor terminals. Inspect the PTC relay and overload protector for signs of overheating or cracking.
• Replace start relay/overload: If visibly damaged or if the compressor repeatedly clicks off after a few seconds, replace the compressor start relay/overload assembly.
• Compressor test (advanced): Measure compressor winding resistance and check for shorts to ground. A seized or shorted compressor will require professional replacement and may not be economical.