laScala S.r.l. BUTTERFLY MOD. L/1 – S/1 – A/1 - Plumb-in version
Ver. RC 0108
Pagina 22 / 23
TROUBLESHOOTING
PROBLEM
SOLUTION
The appliance doesn’t switches
ON
Mains switch is OFF
Wrong connection to mains
Set mains switch in ON
Contact service for check
Missing coffee delivery from
group
Water shortage from mains
Pump failure
Clogged gigleur
Electronic control unit failure
Group valve failure
Check waterwork
Contact service
Clean gigleur
Contact service
Contact service
Coffee dregs are wet
Coffee grinding is too fine
Group is still cold
Group valve doesn’t work
properly
Adjust grinding degree
Wait for appliance to get warm
Clean group exhaust system
Coffee delivery is too slow
Coffee grinding is too fine
Filter holder is dirty
Group is clogged
Injector or valve are partially
clogged
Adjust grinding degree
Replace filter and clean filter
holder more frequently
Contact service
Replace injector or valve
Coffee delivery is too fast
Coffee grinding is too rough
Adjust grinding degree
Delivered coffee is cold
Heat-exchangers or heating
element coated with limestone
Pressure-switch contacts are
oxidised
Defective electrical connections
Heating element is burned
Contact service for overhauling
Clean pressure-switch contacts
Contact service to check the
connections
Replace heating element
