5.2
Display of functions via LEDs
5.3
Functions of operating keys
5.4
External signal lamp SL
If an external signal lamp SL has been installed in
the driver's cabin, this lamp will light up for 3s on
switching on the ignition.
For connection of signal lamp, see page 14.
LED
LED ights = display mode
Operating voltage is applied to pump
PAUSE
h/lmp
unit and control unit. The system is in
the PAUSE state
Operating voltage is applied to pump
CONTACT
min/lmp
unit and control unit. The system is in
the CONTACT state (pump motor ON)
A cycle switch is used for monitoring
the system. Monitoring takes place at
CS
the progressive feeder during running
of the pump. (CONTACT)
A pressure switch is used for monito-
ring the system. Monitoring takes
PS
place during running of the pump.
(CONTACT)
The operating voltage is applied to the pump unit and control unit. The control unit is
FAULT
in the FAULT state. The cause may be determined via the LED display and displayed
as a fault code after the operation of the button. The execution of functions is disabled.
Operating the button during PAUSE will initiate an intermediate lubrication cycle
Fault messages are acknowledged and cleared
Automatic activation of display in the display mode
Call up next parameter in the programming mode
Increase displayed value by 1
Automatic activation of display in display mode
Call up next parameter in programming mode
Decrease displayed value by 1
Change over between programming and display mode
Confirm entered values
Page 18
Contents
Chapter
5
Operating Instruction Universal Control Unit IG502-E
LED flashes = programming mode
The value for PAUSE may be changed.
The value for CONTACT may be changed.
The monitoring function can be changed in
the programming mode or deactivated.
The cycle switch is operated by the piston
of the distributor to be monitored.
The monitoring function can be changed in
the programming mode or deactivated.
The pressure switch is operated by the
pressure in the main line.
Central
Lubrication