Gardner Denver L90 7.5A V4, Translation Of The Original Operating Instructions, Page: 40 / 76

Fault Possible Cause Remedy
Lubrication system not dispens-
ing, despite voltage being sup-
plied. The plug icon appears on
the display.
Drive and LC not screwed to-
gether properly.
Screw the drive and LC together
until the white triangle on the drive
is fully visible.
Lubrication system is in pressure
cut-off.
OL
Counter-pressure to lubrica-
tion point > 6 bar .
•
Flush lubrication point (man-
ually or special dispensing
PURGE I)
•
Pressure check if necessary
•
Acknowledge fault by pressing
the SET key.
Lubricant cartridge empty, but no
“LC” message.
LC unit too small for the drive. Use original LC unit MLS 120 from
Gardner Denver.
Chart 7-7: Troubleshooting and fault rectification for lubricator