Bosch Rexroth 31 Series Instruction Manual page 56

56/60 Troubleshooting
Table 14: Axial piston unit malfunction table
Malfunction
Excessively high temperature of
hydraulic fluid and housing
Bosch Rexroth AG, A10VO, A10VSO Series 31, RE 92701-01-B/04.2018
Possible cause
Excessively high inlet temperature at the axial
piston unit
Wrong setting or malfunction in the pressure
relief and pressure control valves (e.g. high-
pressure relief valve, pressure cut-off, pressure
controller)
Axial piston unit worn
Remedy
Machine/system manufacturer: inspect system,
e.g. malfunction in the cooler, insufficient
hydraulic fluid in the reservoir
Optimize the adjustment of the pressure
limitation and pressure control valves of the
axial piston unit and the pressure safeguarding
in the hydraulic system
Contact Bosch Rexroth Service
Contact machine/system manufacturer
Replace axial piston unit; contact
Bosch Rexroth Service