RE91405-01-B/2021-05-21, BoschRexrothAG
Troubleshooting | A2FO series 70 47/52
14 Troubleshooting
Table 13 is intended to support troubleshooting. This table is not exhaustive.
Issues may occur in practice that are not listed here.
Only authorized personnel may perform troubleshooting inside asafety area
designated by the machine manufacturer.
14�1 How to proceed for troubleshooting
▶ Troubleshoot with reduced operating parameters when possible.
▶ Use asystematic and targeted approach, even when pressed for time.
Random, indiscriminate removal could make it impossible to determine the
original cause of afault.
▶ First get ageneral idea of how your product works in conjunction with the
entire system.
▶ Try to find out whether or not the product was working properly in conjunction
with the entire system before the fault occurred.
▶ Try to determine any changes to the entire system in which the product is installed:
– Have there been any changes to the application conditions or operating range
of the product?
– Has maintenance work recently been carried out? Is there an inspection or
maintenance log?
– Have any changes (e.g.upgrades) or repairs been made to the overall system
(machine/system, electrics, control) or to the product? If yes: What changes?
– Has the hydraulic fluid been changed?
– Has the product or machine been used as intended?
– How does the malfunction appear?
▶ Try to get aclear idea of the cause of the fault. Directly ask the (machine) operator.
▶ Document the work carried out.
▶ If the fault cannot be corrected, please refer to one of the contract addresses at:
www.boschrexroth.com/addresses.
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