Bosch Rexroth 11 Series Instruction Manual page 56

56/60 Troubleshooting
Table 15: Axial piston unit malfunction table
Malfunction
Excessively high temperature
of hydraulic fluid and housing
Bosch Rexroth AG, A15VSO/A15VLO Series 11, RE 92801-01-B/11.2018
Possible cause
Excessively high inlet temperature at the axial
piston unit
Wrong setting or malfunction
of the pressure relief and pressure control
valves (e.g. high-pressure relief valve,
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