lb-00193-14.EN Pag. 14 10-02-09
SPECIAL FUNCTIONS FOR MACHINE CALIBRATION
ONLY ASSISTANCE SERVICE PERSONNEL AUTHORIZED BY I.M.C. SPA. ARE PERMITTED TO ENABLE THE USE OF THESE
FUNCTIONS.
1) Calibrating the coffee dispensing pressure ( pump pressure)
To calibrate the water pump, remove the drip tray (1) then the front panel (2) and calibrate the pump by turning the adjustment,
clockwise to increase the pump pressure or anticlockwise to reduce pressure.
The pressure is pre-calibrated at the factory at 8/9 bars.
2) Adjusting the contrast of the display (only Pratica)
The adjustment of the contrast can be done by turning the trimmer on the electronic board as per picture
1. Boiler filling alarm
Causes: the stage of boiler fillings has exceeded the maximum time of 120 seconds; the level of the probe (SLC) has not been reached.
Result: the machine is OFF, and all the keypad LEDs flash simultaneously:
Solution: carry out the following controls.
• Level probe (SLC) is dirty, so isolated from the water (the complete filling of the boiler is checked)
• no water from mains
• low water pressure
• faulty motor pump
• faulty filler solenoid valve
• incorrect electrical connections (level probe (SLC) cord stopped.
Turn the machine OFF and back ON to erase the alarm
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