Fault number
Cause
Remedy
1 2 3 4 5 6 7
- X - X - - - Temperature of the conveyed medium too high:
Pump cavitating.
n
Lower temperature.
n
Adjust speed.
n
Consult with ITT Bornemann GmbH.
- X - X - - X Outlet side valve insufficiently opened.
n
Fully open the outlet side valve.
- - X X - - X Speed too high.
n
Lower speed with speed regulator.
- - - - - X - Pump leaking.
n
Consult with ITT Bornemann GmbH.
- - - X - - - Coupling elements worn.
Coupling not properly aligned.
n
Check and, if necessary, replace the coupling
elements.
(
Chapter 5.5 ‘Aligning the pump assembly’
)
- - - X - - - Insufficient oil in gear casing.
n
Top up oil.
(
‘Filling lubricating oil’ on page 63
).
- - - X - - - Insufficient oil in bearing casing.
n
Top up oil.
(
‘Filling lubricating oil’ on page 63
).
- - - X X - - Pipelines too tight.
n
Check pipeline.
n
Connect pipelines so that they are slack.
- - - X X - X Expansion of the internal pump components under
excessive temperatures.
n
Wait for the temperature to equalise.
- - - X X - X Bearings/gears faulty.
n
Consult with ITT Bornemann GmbH.
If necessary, send the pump to ITT Bornemann
GmbH.
- - - X X - X Pump excessively tight.
n
Check the connections and pipeline nozzles and
fastenings on the pump.
n
Check the alignment of the coupling.
n
Check the fastening of the support.
n
Check foundation.
- - - X X - X Motor bearings faulty.
n
Consult the manufacturer.
Troubleshooting
71
Type SLH-4U
0
3
/20
20
JP Rev. 1
