LB.05080.00 Pag.53 16/04/2014
D. Check at 12 months’ intervals
Same as points C1-22, plus replace the following:
1. steam boiler safety valve
2. coffee boiler expansion valve
3. grinder/s burrs (average 300-500 Kg)
4. if the group has delivered 75.000 cycles replace the motors
5. group upper piston micro screen
6. group lower piston screen
7. milk frother
8. milk frother air adjustment.
Suggestions:
Use the Test Actuators menu to check all loads of the machine: grinder/s, solenoid valves, contactor and heating element.
Check Alarm History menu, if you find any alarm check and solve the problem.
Test Actuators and Alarm History menu are part of the System Manager menu.
PLEASE NOTE: It is very important to verify that your customers carry out recommended daily cleaning procedures of
brewing unit and milk frother. More parts may be checked depending on your personal experience and also coffee/water
quality.
CONTROL UNIT LEGEND
A) MASTER BOARD
code no. 96.05148 (see electric diagram)
Please Note :
THE GROUP HEATING ELEMENT IS PROTECTED FROM ELECTRONIC FUSE ( PTC ).
B) MASTER BOARD LED LEGEND
LED-LD1: ( red colour) 12 V. DC power supply for triac and on/off relays
LED LD2 - Vcc : ( red colour) 5 V. DC power supply for microprocessor and electronic component
LED LD3 - VH: ( red colour) 24 V. DC main power supply for master board
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