12 | Troubleshooting
34 | 40
Instruction Manual COBRA NC 1000 B WCV_EN_en
Problem
Possible Cause
Remedy
The machine runs very noisily.
Wrong oil quantity or unsuit-
able oil type.
●
Use one of the recommend-
ed oils in the correct quanti-
ty, see
37].
Defective gears, bearings or
coupling element.
●
Repair machine (contact
Busch).
The machine runs too hot.
Insufficient cooling.
●
Make sure to comply with
the cooling water require-
ments, see
Ambient temperature too high.
●
Observe the permitted am-
bient temperature, see
Technical Data.
Temperature of the process
gases at the inlet too high.
●
Observe the permitted gas
inlet temperature, see Tech-
nical Data.
The cooling water pump is de-
fective.
●
Repair the machine.
Oil level too low.
●
Top up oil.
The oil is black.
Oil change intervals are too
long.
●
Drain the oil and fill in new
oil, see
The machine runs too hot.
●
See problem "The machine
runs too hot".
For resolution of problems not listed in the troubleshooting table, please contact your Busch repre-
sentative.
