Noises During Operation - Gastro-Cool GCGBIB20 Manual

9.3 Noises during operation
Normal noises
• Humming – the noise is caused by the compressor during operation.
It is loud when it switches on or off.
• Liquid noise – caused by the refrigerant circulating in the unit.
• Clicking noises – the temperature regulator switches the compressor
on or off.
41