Fault
The appliance hums,
bubbles, buzzes, gargles or
clicks.
The appliance makes
noises.
Cause
Not a fault. A motor is run-
ning, e.g. refrigerating unit,
fan. Refrigerant flows
through the pipes. The mo-
tor, switches or solenoid
valves are switching on or
off.
Fittings wobble or stick.
Bottles or containers are
touching.
Troubleshooting en
Troubleshooting
No action required.
Check the removable fittings and, if
▶
required, replace these.
Move the bottles or containers
▶
away from each other.
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