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10.
Troubleshooting
Fault messages
Fault message on the display
Meaning
Remedy
Fault signal LI
○
Pre-warning empty
There is little lubricant available. The display
alternates with "pump is on".
○
Fill reservoir
Fault signal LL
○
Low-level indication
No lubricant available anymore. The pump still
completes the current lubrication cycle. A restart
can take place only after refilling the reservoir.
○
Fill reservoir
Fault signal EP
○
Fault of the membrane keypad or
○
fault of the display
○
Replace membrane keypad
○
Replace control printed circuit board
Fault signal Er
○
An unspecified error is pending.
○
Replace the control printed circuit board. If ne-
cessary, replace the entire pump.
If the fault cannot be determined and remedied, please contact our Customer Service.
10. Troubleshooting
