Bosch Rexroth M SED 10 XN Series, Руководство по эксплуатации

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42/48 Troubleshooting
Bosch Rexroth AG , M-.SED 10...XN..., RE 22045-XN-B/05.17
The valve is not sensitive to faults as long as the specified application conditions are
complied with, in particular the oil quality and the operating temperature.
Table 19: Fault table
Error Possible cause(s) Remedy
Valve does not
switch Electrical connection
interrupted, no current
continuity
• Cable break Replace the connection cable
• Electrical defect in valve
solenoid
Remove valve and have it repaired
• No pressure at P Check and/or reapply pressure at port P
• Control spool is jammed due
to contamination
If possible, try to release the control
spool by manually actuating the manual
override.
See chapter 9.2 "Operating the
manual override (only relevant for
type M-.SED 10...N9...)".
If this fails: Remove valve and replace it
with a new one.
External leakage Seal defective
• Seal at the connection
surface is defective
Remove the valve and replace the seals
• Other leakage Remove valve and replace it with
a new one
Following faults due to contamination, it is - in addition to the repair - essential
to check the oil quality and improve it, if necessary, by suitable measures such as
flushing or the additional installation of filters.
Fault table