Lenhardt & Wagner LW 320 E MC, Operating Instructions Manual

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LW 320 E MC / LW 400 E MC
Version: 16.03.2015
R E M E D Y I N G F A U L T S
Final pressure can not be reached
Strong compressor vibration
Cause of fault Remedy
V-belt tension too loose Tension V-belt
Drive motor / Compressor unit loosely Retighten mounting screws
Anti vibration mounts used up Replace
Ground not levelled Ensure a solid and level ground
Cause of fault Remedy
Connections leaky Retighten or clean/replace if necessary
Final pressure safety valve leaky Replace
Pipes / heat exchanger broken Replace
Condensate drain valves leaky Unscrew valves, check sealing surfaces, clean,
replace if necessary
Final pressure switch stop unit Verify settings, replace if necessary
Piston of pneumatic condensate valve sticks Clean pneumatic condensate valve and restore
function, check/replace o-rings, replace valve
completely if necessary
Air supply too low
Cause of fault Remedy
Inlet and outlet valves contaminated / defective Clean, replace if necessary
Cylinder(s), piston(s) or piston ring(s) used up Replace
V-belt slips Tension V-belt
See chapter "Final pressure can not be reached" See chapter "Final pressure can not be reached"