Troubleshooting - Bosch Rexroth LU 2 Assembly Instructions Manual

16 Troubleshooting

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