La Cimbali M2 Manual page 18

English
MALFUN.
DESCRIPTION
CODE
Timeout – unit wash cycle
094
(24h)
Timeout – milk circuit wash
095
cycle (24h)
Malfunction archive reset
098
099 Default data input
Not working machine, with
display extinguished
Machine with
solenoid valves and group not
working
15. Defects - Malfunctions
POSSIBLE CAUSES
A unit wash cycle was not
performed within 60 minutes
of the message.
A milk circuit wash cycle was
not performed within 60
minutes of the message
A malfunction archive reset
has been executed
display ON;
SOLUTIONS
- Control the feeding presence in the electrical net
s y s t e m
- If there is power:
1 Open the machine
2 Check the feeding presence in the main electrical
terminal CT and in the transformer TR
- If there’s power:
- Check the power (10÷11Vac) on 1-5 pins of the Y13
CPU board connector
- check the LED on the CPU board:
- if at the end of all the controls the display it remains
extinguished, replace CPU board
- If there’s no power:
- check: power supply cable, main switch, cable
- if at the end of all the controls the display it remains
extinguished, replace TR transformer
1 Open the machine
2 Check the power (23÷25Vac) on 2-4 pins of the Y13
CPU board connector
- If there’s power:
- replace CPU board
- If there’s no power:
- replace TR transformer
English
DL1 red = OFF
DL3 green = Lam
DL4 red = OFF