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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 a safety area
designated by the machine manufacturer.
14�1 How to proceed for troubleshooting
▶ Troubleshoot with reduced operating parameters when possible.
▶ Use a systematic and targeted approach, even when pressed for time.
Random, indiscriminate removal could make it impossible to determine the
original cause of a fault.
▶ First get a general 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 a clear 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.
Troubleshooting | A2FO series 70
RE 91405-01-B/2021-05-21, Bosch Rexroth AG
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