Cimbali S30 Techniker-Handbuch Seite 228

9. Diagnostics messages
MALFUNCTION
DESCRIPTION
CODE
"Coffees dispensed
referred to MM2 with
flow under the limit
064
(3 consecutive coffees
dispensed)"
" Cof f ees dispens e d
referred to MM2 with
f l o w o v e r t h e l i m i t
065
(3 consecutive coffees
dispensed)"
Incorrect dose during
066
coffee dispensing
POSSIBLE CAUSES
"• coffee filter blocked
• coffee duct blocked
• coffee type changed
• qref calibration wrong
• grind too fine, excessive dose
ground"
• coffee finished (and coffee
sensor faulty, if present)
• bridge in coffee in hopper
• coffee type changed
• qref calibration wrong
• grinding too coarse
• grinder/dispenser blocked,
insufficient dose of ground coffee
"• No water
• Broken pump
• Too much coffee
• Coffee ground too fine
• Clogged filters
• Coffee solenoid valve clogged or
defective
• Broken turbine"
106 EN
INTERVENTIONS
"- wash the group
- clean/replace the coffee filter
- use a coarser grind
- calibrate the machine correctly on the basis of the
coffee/recipe"
- remove the bridge in the hopper
- check that the coffee presence sensor is working
- check that there are no external elements in the
grinders
- check that the measure grinder is working (pick-up
current and fuses)
- use a finer grind
- calibrate the machine correctly on the basis of the
coffee/recipe
"1 Open the machine
2 Use test panel to check if the counter function works
during coffee dispensing
- If the counter works only with a few impulses:
- Check the granulometry and quality of the ground
coffee
- Clean the filters
- Check if the coffee solenoid valve and coffee hydraulic
circuit are clogged
- If the counter does NOT function:
- Check if there is water and if the pump works
- Replace the turbine
- Check the cabling"