BUSCH R5 KB 0010 E - Page 24

12 | Troubleshooting
24 | 32 Instruction Manual R5 KB KC 0010-0016 E_EN_en
Problem Possible Cause Remedy
The machine does not reach
the usual pressure on the suc-
tion connection.
Oil level too low. ● Top up oil.
The inlet screen (IS) is partially
clogged.
● Clean the inlet screen (IS).
The inlet filter cartridge (op-
tional) is partially clogged.
● Replace the inlet filter car-
tridge.
Internal parts are worn or
damaged.
● Repair the machine (contact
Busch).
The machine runs very noisily. Stuck vanes. ● Repair the machine (contact
Busch).
Defective bearings. ● Repair the machine (contact
Busch).
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 am-
bient temperature.
Oil level too low. ● Top up oil.
The exhaust filters (EF) are par-
tially clogged.
● Replace the exhaust filters
(EF).
The machine fumes or expels
oil droplets through the gas
discharge.
The exhaust filters (EF) are par-
tially clogged.
● Replace the exhaust filters
(EF).
An exhaust filter (EF) with o-
ring is not fitted properly.
● Ensure the correct position
of the exhaust filters (EF)
and the o-rings.
The oil is black. Oil change intervals are too
long.
● Flush the machine (contact
Busch).
The inlet filter (optional) is de-
fective.
● Replace the inlet filter.
The machine runs too hot. ● See problem "The machine
runs too hot".
The oil is emulsified. The machine sucked in liquids
or significant amounts of va-
por.
● Flush the machine (contact
Busch).
● Clean the filter of the gas
ballast valve (GB).
● Modify the operational
mode (see Conveying Con-
densable Vapors [➔15]).
For the solution of problems not mentioned in the troubleshooting chart contact your Busch repre-
sentative.