1. BI 60 1.0
2. PRF IU template project
3. Troubleshooting
4. Troubleshooting
5. Malfunctions
6. The appliance hums, bubbles, buzzes, gargles or clicks.
7. Not a fault. A motor is running, e.g. refrigerating unit, fan. Refrigerant flows through the pipes. The motor, switches or solenoid valves are switching on or off.

Not a fault. A motor is running, e.g. refrigerating unit, fan. Refrigerant flows through the pipes. The motor, switches or solenoid valves are switching on or off.