Troubleshooting | 12
Instruction Manual COBRA NC 0100-0300 B ACV_EN_en
39 | 48
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 Oil [
Defective gears, bearings or
coupling element.
●
Repair machine (contact
Busch).
The machine runs too hot.
Ambient temperature too high.
●
Observe the permitted am-
bient temperature, see
Technical Data.
The heat exchanger (AHE) is
dirty or obstructed.
●
Clean it and make sure that
the air flow path is clear of
all obstacles.
Temperature of the process
gases at the inlet too high.
●
Observe the permitted gas
inlet temperature, see Tech-
nical Data.
The cooling liquid pump is de-
fective.
●
Repair the machine.
Oil level too low.
●
Top up oil.
Cooling liquid level too low.
●
Top up cooling liquid.
The oil is black.
Oil change intervals are too
long.
●
Drain the oil and fill in new
oil, see Oil Change [
31].
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.
