SM 85 FLEXA SERIE Manual De Uso página 26

PROBLEM
9. Tank automatic level alarm
(only for models with
automatic tank) by means
of flashing blue LED.
10. Leakage of water from
tank (only for models with
automatic tank filling).
11. The machine and its
indicator light are on, but
the electronics do not
work.
12. The machine leaks water
from the assembly.
13. The steamer discharges
only small quantities of
steam or water droplets.
14. Small drops flow out of the
water tap.
15. A whistle is heard during
dispensing of coffee.
16. The cup comes off the
dispensing assembly.
17. When coffee is being
served, some of it drips
out of the edge of the cup.
18. Water leakage from the
coffee boiler vent solenoid
valve inside the tank.
19. Light cream.
20. Dark cream (the coffee
drips out of the spout).
21. Presence of grounds in
coffee cup.
22. Coffee with little cream in
cup.
CAUSE
• Timeout for tank filling.
• Main water supply valve
closed.
• Faulty automatic level
solenoid valve.
• Malfunction in automatic level
circuit.
• Malfunction of overflow
capacitive sensor.
• Control unit-push button
panel disconnected.
• Control unit malfunction.
• Pump and/or cup discharge
solenoid valve always
powered or failed.
• Assembly valve leaks.
• Tap needs adjustment.
• Worn gasket on tap.
• Tap needs adjustment.
• Worn gasket on tap.
• Abnormal operation of
assembly valve.
• Gasket under holder is worn.
• Gasket under holder is worn.
• Defective solenoid.
• Solenoid valve always
powered.
• Coffee boiler water
temperature below 95°C
• Assembly sprinkler clogged.
• Fine grinding.
• Excessive temperature.
• Coffee ground too fine.
• Worn grinders in grinder-
dispenser unit.
• Sprinkler filter on unit clogged.
• Cup filter holes dilated.
• Temperature too high for
coffee being used.
• Cup silicon valve defective or
worn.
• If using tablets, tablet seal
gasket defective or worn.
• Coffee pump defective.
SOLUTION
• Check that the automatic level water
circuit is not clogged.
• Check if the on-off valve on the
water supply is open.
• Replace the automatic level
solenoid.
• Replace control unit.
• Replace filling solenoid valve.
• Replace capacitive sensor.
• Replace control unit.
• Check push button panel wiring.
• Check fuse in control unit
• Replace control unit.
• Replace control unit.
• Replace solenoid valve.
• Replace assembly valve.
• Use appropriate register.
• Replace the gasket.
• Use appropriate register.
• Replace the gasket.
• Replace assembly valve.
• Replace the gasket.
• Clean the serving unit and the cup.
• Replace the gasket.
• Clean the serving unit and the cup.
• Check and clean solenoid, or
replace.
• Replace control unit.
• Use palm unit to increase boiler
temperature.
• Replace sprinkler.
• Increase coarseness of ground
coffee.
• Use palm unit to decrease water
temperature in boiler.
• Coarser grinding.
• Replace the grinders.
• Check and clean sprinkler filter or
replace.
• Check and replace cup filter.
• Check whether silicone valve is
positioned correctly or worn, replace
if necessary.
• Replace gasket that holds tablet.
• Replace coffee pump.
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