Troubleshooting And Repair - Bosch Rexroth LU 2 Montageanleitung

16 Troubleshooting and repair

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 cannot correct a fault, go to www.boschrexroth.com to fi nd the address
to contact.
Troubleshooting and repair
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
3 842 358 814/2018-12, MIT: LU 2, Bosch Rexroth AG
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 Making 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
