Unit emits clicking sounds repeatedly but does not start cooling or heating.
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.
Possible Causes
How to Fix / Troubleshooting
Safety first: Clicking relays indicate repeated start attempts; prolonged operation may damage components.
Steps:
- Turn off unit: Switch off the Bosch AC and breaker to prevent further stress.
- Check supply: Ensure the unit is on a proper circuit and not sharing with heavy loads.
Technician actions: Measure supply voltage, test compressor, and inspect relays/contactor on the outdoor PCB. Replace faulty components as needed.
Repair Difficulty
Required Part
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