ITT Bornemann SLH-4U Operating Instructions Manual page 71

Fault number Cause
1 2 3 4 5 6 7
- X - X - - - Temperature of the conveyed medium too high:
Pump cavitating.
- X - X - - X Outlet side valve insufficiently opened.
- - X X - - X Speed too high.
- - - - - X - Pump leaking.
- - - X - - - Coupling elements worn.
Coupling not properly aligned.
- - - X - - - Insufficient oil in gear casing.
- - - X - - - Insufficient oil in bearing casing.
- - - X X - - Pipelines too tight.
- - - X X - X Expansion of the internal pump components under
excessive temperatures.
- - - X X - X Bearings/gears faulty.
- - - X X - X Pump excessively tight.
- - - X X - X Motor bearings faulty.
03/2020 JP Rev. 1
Remedy
n Lower temperature.
n Adjust speed.
n Consult with ITT Bornemann GmbH.
n Fully open the outlet side valve.
n Lower speed with speed regulator.
n Consult with ITT Bornemann GmbH.
n Check and, if necessary, replace the coupling
elements.
Ä Chapter 5.5 'Aligning the pump assembly'
(
on page 32)
Top up oil.
n
Ä 'Filling lubricating oil' on page 63).
(
n Top up oil.
( Ä 'Filling lubricating oil' on page 63).
n Check pipeline.
n Connect pipelines so that they are slack.
n Wait for the temperature to equalise.
n Consult with ITT Bornemann GmbH.
If necessary, send the pump to ITT Bornemann
GmbH.
n Check the connections and pipeline nozzles and
fastenings on the pump.
Check the alignment of the coupling.
n
n Check the fastening of the support.
n Check foundation.
n Consult the manufacturer.
Type SLH-4U
Troubleshooting
71