GMG-LEZ Operation manual
Page 29 of 37
B0840
7.1.4 Troubleshooting, fault remedy
No.
Fault
Root cause
Remedy
1
Error "E1"
Output moment too high
Check the medium for lumps
Check the pump elements for stiffness
Check the lubricant pressure required for
delivery
Are bigger foreign materials in the
reservoir?
2
Error "E2"
No lubricant delivery
See under 4
Monitoring time for the pressure switch is over
(left adapter unit)
3
Error "E3"
Reservoir is empty
Refill lubricant.
Monitoring cable broken
Send the unit to WOERNER for repair.
4
Error "E4"
No lubricant delivery
See under 2
Monitoring time for the pressure switch is over
(right adapter unit)
5
No lubricant
delivery
Drive motor not running
Check electric connenctions.
Check electric voltage at the motor.
Check the fuse.
Check the motor.
Reservoir is empty
Refill lubricant.
Air included in lubricant lines
Fill the lines with lubricant.
Lubricant not suited for the
application
Exchange the lubricant of the whole system.
Leaking line system
Seal the leaking spot.
Pump unit blockade
Have the pump unit repaired.
Pump element failed
Exchange the pump element.
6
Lubricant
pressure too
high
Obstruction in pipeline
system
Check the line system for free throughput.
Remove obstructed components and clean or
replace them.
Lubricant not suited for the
application
Exchange the lubricant of the whole system.
Pipeline cross-section too
small
Replace the pipelines by lines having a bigger
cross-section.
