10
INSTALLATION, USE AND MAINTENANCE MANUAL
1.4 Description of user interface
1.
GREEN LED
– When lit indicates the presence of a power supply, and the vacuum unit is ready for use.
2.
RED LED
– When lit indicates a warning clarified with a message on the display.
.
UP
button – Used while programming to decrease the value on the display.
.
DOWN
button
¬– Used while programming to increase the value on the display.
.
SET
button – Used while programming to memorize the new parameters.
.
RESET
button – After maintenance operations, press this button to zero the alarm timer.
7.
DISPLAY
window – While programming, this window shows the values set for the parameters, and also
displays messages to clarify the meaning of each “warning” (see Chap. .1 Chart of programmable values).