Bosch Rexroth LU 2 - Troubleshooting; Error Causes and Remedial Actions

Troubleshooting 51/54
3 842 358 814/2017-01, MIT: LU 2, Bosch Rexroth AG
16 Troubleshooting
Error Possible cause Remedial action
No lubricant delivery Drive and oil container not
properly bolted
Check assembly
(see chapter “8.5.3 Install
lubrication unit LU 2” on
page 31)
• No lubricant delivery
• Display: No plug symbol
(cable break detection)
Faulty electrical connection Check electrical connection
(see chapter “8.6 Make the
electrical connection to the
product” on page 38)
• LED indicator fl ashing red
• Display:
0L
Counter pressure > 6 bar • Check lubrication points
• Reduce counter pressure
• Clear error message
¨ press SET key for > 1 s
• LED indicator fl ashing red
• Display:
ut
Ambient temperature is too
low
¨ t
a
< -20 °C
• Increase ambient temperature
¨ t
a
< -20 °C
• Clear error message
¨ press SET key for > 1 s
• LED indicator fl ashing red
• Display:
LC
Oil container empty • Replace oil container
(see chapter “11.4.1
Exchange oil container LC 2”
on page 46)
• Control device setting
• LED indicator fl ashing red
• Display:
LC
¨Oil container not empty
Incorrect oil container entered
or installed
• LED indicator fl ashing green
¨Empty oil container
• LED indicator fl ashing red
• Display:
Er
• Device defective
• Motor defective
Contact Bosch Rexroth
customer service
Display: No display
Display:
Lo
Backup battery drive empty
If you are unable to fi x the error, you should contact us at one of the contact
addresses which you can fi nd at www.boschrexroth.com.
ENGLISH
358814_2017_01_EN.indd 51 16.01.2017 13:38:19