14 Maintenance
14.1 General Information
Maintenance work in the device is only per‐
missible by skilled staff!
If hardware or software components have to be exchanged, please contact
the Bosch Rexroth Service or ensure that only skilled staff changes the re‐
spective components.
14.2 Regular Maintenance
Include the following measures in the maintenance schedule:
● At least once a year, check all plug and terminal connections of the
components regarding proper tightness and possible damage.
● Verify that lines and cables are not broken or squeezed.
● Replace damaged parts immediately.
14.3 Display (LCD Display)
A fading readability of the display may cause that the display has to be ex‐
changed. For further information, please contact the Bosch Rexroth Service,
see also chapter 17 "Service and Support" on page 61.
Only use the display set specified in chapter 5.5 "Display Set" on page 13.
Description of the display exchange is included in the scope of delivery of the
display set.
14.4 Lithium Battery
Controls L45, L65 and L85
1)
with SRAM contain a lithium battery to buffer the
SRAM memory. If this battery is discharged or weak, the data in the SRAM
gets lost. The system firmware checks the battery state and reports on time
when the battery is to be replaced.
Exchanging the battery
Only use the Bosch Rexroth battery specified in chapter 5 "Spare
Parts, Accessories, and Wear Parts" on page 13.
Data loss when control is switched off!
Ensure that the control is switched on during battery exchange.
Proceed as follows to exchange the battery:
1. While the control is switched on, open the battery case (see 14-1).
1)
The battery is included in the scope of delivery of the L85 control. The battery has
to be ordered separately for the L45 and L65 controls,.
DOK-CONTRL-IC*LX5*****-IT01-EN-P
Rexroth IndraControl L25, L45, L65 and L85 Controls
Bosch Rexroth AG 53/65
Maintenance
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