What Control Set to 0 Means
On the chest-style commercial refrigerators the temperature control runs from 0 to maximum, and 0 switches the refrigeration system off. Liebherr attaches a warning that matters for anyone working on the cabinet: at 0 the appliance is not completely disconnected from the mains, it has only stopped cooling.
Common Causes of Control Set to 0
- The control turned to 0 during cleaning and not turned back
- A setting left at 0 after the cabinet was stored or moved
🔧 One Safe Check You Can Try
Because the appliance is still live at 0, always remove the plug or pull the fuse before cleaning or any other work rather than relying on the dial. A control found at 0 is also the simplest explanation for a cabinet that is plugged in, silent and warm.
⚠ Why You Shouldn't Go Further Than That
- A cabinet at 0 looks connected and dead at the same time, which is exactly the combination that gets reported as a failed compressor.
- Treating 0 as isolated is a genuine safety error, and Liebherr states the position clearly enough that it is worth repeating to anyone who cleans the equipment.
Opening a panel to inspect or repair something yourself doesn't automatically cancel your manufacturer's warranty — but it can risk accidental damage, and some manufacturers do have specific service conditions. Check your product's warranty terms, or ask us, before deciding.