Special Delivery Purge; Pin Number; Counter Pressure Monitoring - Bosch Rexroth LU 2 Montageanleitung

24/54 Function
If the PIN number
was forgotten:
Bosch Rexroth AG, MIT: LU 2, 3 842 358 814/2018-12

6.4 Special delivery PURGE

During operation a special delivery (PURGE) can be triggered at any time.

Press and hold the SET button during operation for > 10 s (fl ashing arrow

icon in the display).
PU
The message
The lubrication unit then returns to the preset operating mode.
358 814-38
The PURGE special delivery can be canceled at any time by pressing the
SET button a second time.

6.5 PIN number

The operation of the lubrication unit can be disabled via a 2-digit PIN number.
1. Press and hold the SET button for > 15 s.
The display switches to the entry of the PIN number.
358 814-45
2. To enter the PIN number press the SET button repeatedly. The PIN number can be
scrolled through from
The PIN number entered fl ashes in the display.
358 814-45
Approximately 3 seconds after the entry (inactive SET button) the setting mode
for the PIN number is terminated.
When entering the PIN number
01
When entering
number will be requested to unlock.
When entering 55

6.6 Counter pressure monitoring

The lubrication unit LU 2 monitors the counter pressure of the lubrication point.
If the lubrication unit LU 2 detects counter pressure > 6 bar 4x in a row, a resting
phase will follow (Recovery).
In this resting period, the lubrication unit will try to deliver 3x, each with an interval
of 16 hours.
If the counter pressure reduces during these three deliveries (48 h), the missed
deliveries are automatically rescheduled at half the interval time.
appears in the display and the special delivery is executed.
1 99
... .
00 the operation of the lubrication unit is not locked.
99
... the operation of the lubrication unit is locked and the PIN
the operation of the lubrication unit is always locked (reset).