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Fault: Off-load pressure too high
Possible Cause
Remedy
Compressor does not discharge
Check suction regulator, blow-off solenoid valve
(Y4) and pressure-retaining and non-return valve,
and replace if necessary.
Suction regulator does not close completely
Provide access to the suction regulator, replace if
necessary.
Check solenoid valves (Y1) and pressure reducing
valve (12).
Chart 7-5: Troubleshooting upon: Off-load pressure too high
Fault: Oil in the air filter
Possible Cause
Remedy
Suction regulator non-return function defective
Check non-return valve; replace if necessary.
Continuous Emergency-Off deactivation
Emergency-Off may only be used for safety-related
function problems
Fault: Safety valve opens
Possible Cause
Remedy
Safety valve defective
Replace the safety valve.
Line pressure sensor defective
Replace the line pressure sensor.
Final compression pressure sensor defective
Replace final compression pressure sensor
Electronic control unit defective
Replace the electronic control unit.
Oil fine separator soiled
Replace oil fine separator cartridge
Suction regulator does not close completely
Check solenoid valves (Y1) and pressure reducing
valve (12); replace if necessary.
Provide access to the suction regulator, replace if
necessary.
Chart 7-6: Troubleshooting upon: Safety valve opens
Troubleshooting: Lubricator
If faults occur when operating the lubricator, please check the possible causes of error using the following
table.
Fault
Possible Cause
Remedy
Lubrication system not dispens-
ing, despite voltage being sup-
plied.
Cable incorrectly connected
Cable failure
Check whether the plug icon is
being shown in the display.
Chart 7-7: Troubleshooting and fault rectification for lubricator
Summary of Contents for L110 10A V4
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