24/54 Function
Bosch Rexroth AG, MIT: LU 2, 3 842 358 814/2017-01
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.
2. To enter the PIN number press the SET button repeatedly. The PIN number
can be scrolled through from
1... 99.
The PIN number entered fl ashes in the display.
Approximately 3 seconds after the entry (inactive SET button) the setting mode
for the PIN number is terminated.
When entering the PIN number
00 the operation of the lubrication unit is not locked.
When entering
01... 99 the operation of the lubrication unit is locked and the PIN
number will be requested to unlock.
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 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.
If the counter pressure is not reduced during these three deliveries (48 h),
an error message appears. The LED indicators fl ash red and
0L appears on
the display.
6.7 Low temperature monitoring
The lubrication unit LU 2 monitors any low temperature of the lubrication point.
If a temperature < -20 °C is detected and error message appears. The LED indicators
fl ash red and
ut appears on the display.
If the drive returns to a permissible temperature range, the display
ut disappears
and the drive is put back into operation by pressing and holding the SET button
for > 1 s.
358 814-45
358 814-45
358814_2017_01_EN.indd 24 16.01.2017 13:38:19
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