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12. Troubleshooting
Fault Possible cause Remedy
The compressor does
not start.
• No supply voltage.
• Insuf cient supply voltage.
• Outside temperature is too low.
• Motor is overheated.
• Check the supply voltage, the power plug and the
socket-outlet.
• Make sure that the extension cable is not too
long. Use an extension cable with large enough
wires.
• Never operate with an outside temperature of
below +5° C.
• Allow the motor to cool down. If necessary,
remedy the cause of the overheating.
The compressor starts
but there is no pressure.
• The non-return valve leaks.
• The seals are damaged.
• The drain plug for condensation water (10)
leaks.
• Have a service center replace the non-return
valve.
• Check the seals and have any damaged seals
replaced by a service center.
• Tighten the screw by hand. Check the seal on the
screw and replace if necessary.
The compressor starts,
pressure is shown on
the pressure gauge, but
the tools do not start.
• The hose connections have a leak.
• A quick-lock coupling has a leak.
• Insuf cient pressure set on the pressure
regulator (4).
• Check the compressed air hose and tools and
replace if necessary.
• Check the quick-lock coupling and replace if
necessary.
• Increase the set pressure with the pressure
regulator.
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