Scheppach HC550TC-400V, Instruction Manual

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15. Troubleshooting
The table below contains a list of error symptoms and explains what you can do to solve the problem if your tool fails to
work properly. If the problem persists after working through the list, please contact your nearest service workshop.
Fault Possible cause Remedy
The compressor does not
start.
No supply voltage. Check the supply voltage, the power plug and
the socket-outlet.
Insufficient supply voltage. Make sure that the extension cable is not too
long. Use an extension cable with large enough
wires.
Outside temperature is too low. Never operate with an outside temperature of
below +5° C.
Motor is overheated. Allow the motor to cool down. If necessary, rem-
edy the cause of the overheating.
The compressor starts but
there is no pressure.
The safety valve leaks. Have a service center replace the safety valve.
The seals are damaged. Check the seals and have any damaged seals
replaced by a service center.
The drain plug for condensation
water leaks.
Tighten the screw by hand. Check the seal on
the screw and replace if necessary.
The compressor starts, pres-
sure is shown on the pressure
gauge, but the tools do not
start.
The hose connections have a leak. Check the compressed air hose and tools and
replace if necessary.
A quick-lock coupling has a leak. Check the quick-lock coupling and replace if
necessary.
Insufficient pressure set on the pres -
sure regulator.
Increase the set pressure with the pressure reg-
ulator.