Operating and maintenance instructions
EN
19
LI 718.06
11. Troubleshooting
TROUBLE CAUSE REMEDY
Drop in perfomances
Inlet pipes or machine are leaking Identify leaking point and seal it
No lubrication
Check oil level and oil conditions.
Fill with oil to the right oil level or change the
oil and the oil filter
Inlet filters are dirty Clean or replace
Anomalous noise
No lubrication See previous point
Coupling element worn Replace
Motor or pump bearings damaged Replace
Damaged vanes Replace
Damaged contact surfaces Pump overhaul at our workshop
Oil leak
Shaft oil seal rings worn Replace oil seal rings
Oil filling/discharge plugs are leaking
Check the plug has been closed / replace the
gasket
Inecient oil recovery system Check and clean oil recovery pipe
Motor protection is tripping
Blocked exhaust filters Replace exhaust filters
No lubrication Oil level filling up
Pump seizure and jam Pump overhaul
Broken vane Replace vanes
Discharge oil mist
Inecient exhaust filters Replace exhaust filters
High temperature due to polluted oil Oil change
High operating temperature due to high
ambient temperature
Decrease room temperature by allowing a
better air exchange
Oil is found in the inlet
circuit
Inecient inlet valve
Check the inlet valve is tight.
Clean the valve and change any damaged
parts