Troubleshooting | 11
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The machine runs too hot.
Insufficient cooling.
• Remove dust and dirt
from the machine.
• Check the cooling fan.
Ambient temperature too
high.
• Observe the permitted
ambient temperature.
Oil level too low.
• Top up oil.
The exhaust filters (EF) are
partially clogged.
• Replace the exhaust filters
(EF).
The machine fumes or ex-
pels oil droplets through the
gas discharge.
The exhaust filters (EF) are
partially clogged.
• Replace the exhaust filters
(EF).
An exhaust filter (EF) with o-
ring is not fitted properly.
• Ensure the correct posi-
tion of the exhaust filters
(EF) and the o-rings.
The float valve (FV) does
not work properly.
• Check float valve and the
oil return line, repair it if
necessary (contact Busch).
Abnormal oil consumption.
Oil leaks.
• Replace seals (contact
Busch).
The float valve (FV) does
not work properly.
• Check float valve and the
oil return line, repair it if
necessary (contact Busch).
The machine runs at atmo-
spheric pressure for a long
period.
• Make sure that the ma-
chine operates under va-
cuum.
The oil is black.
Oil change intervals are too
long.
• Flush the machine (con-
tact Busch).
The inlet filter (optional) is
defective.
• Replace the inlet filter.
The machine runs too hot.
• See problem "The ma-
chine runs too hot".
The oil is emulsified.
The machine sucked in li-
quids or significant amounts
of vapour.
• Flush the machine (con-
tact Busch).
• Clean the filter of the gas
ballast valve (GB).
• Modify the operational
).
For the solution of problems not mentioned in the troubleshooting chart contact your
Busch representative.
