Bosch rexroth CytroForce-M, Operating Manual

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73 / 85
Servo-hydraulic actuator
How to proceed for troubleshooting
Bosch Rexroth AG RE62270-B, 01.21
14 Troubleshooting
14.1 General
WARNING
Hazardous movements! In the case of fault, dangerous
motions of the servo-hydraulic actuator may occur. This
means that there is a risk of injury.
−
Keep out of the range of motion of the servo-hydraulic
actuator and other moving system parts during trou-
bleshooting.
−
Prevent unintended access of people (e.g. by fencing
off, covering).
−
Before accessing or entering the danger zone bring
the servo-hydraulic actuator safely to a standstill.
●
Before starting work at live components: Disconnect the servo-hydraulic
actuator and the drive controller on the system side from the supply vol-
tages and secure the shut-off device against unauthorized or unintentional
restarting.
●
Disconnect the drive controller from all voltage supplies.
●
After switching off the supply voltages, wait until the discharge time of the
link of the drive controller of at least 30 minutes has passed.
●
Check that the voltage has fallen below 50 V before touching live parts!
It is possible to backup parameters. For information on reading parameter
backups, please see the application manual of MPx-20, see
⮫
Chapter 1.2
“Required and supplementary documentation” on page 5. In the event of a
fault, a further parameter backup has to be made. A comparison with the
parameter set stored last (during operation) simplifies troubleshooting and
helps you to quickly restore the configuration.
14.2 How to proceed for troubleshooting
●
Troubleshooting may exclusively be carried out by Bosch Rexroth or by
authorized and qualified personnel of a specialized company that was
authorized by Bosch Rexroth. Moreover, training is required with regard to
IndraDrive and the servo-hydraulic actuators.
Bosch Rexroth offers training courses that support your qualification in specific
fields. You can find an overview of training contents on the Internet at:
⮫
http://
www.boschrexroth.com
●
Always work systematically and purposefully, even when under time pres-
sure. Random and imprudent disassembly and changing of settings can
result in the inability to determine the original cause of error.
●
First obtain a general overview of how your product works in conjunction
with the entire system.
●
Try to find out whether the product has functioned properly in conjunction
with the overall system before the fault occurred.
●
Try to determine any changes of the overall system in which the product is
integrated:
–
Were there any changes to the product’s operating conditions or oper-
ating range?
–
Were there any changes (e.g. retrofit) or repairs carried out on the com-
plete system (machine/system, electrical system, control) or on the
product? If yes: What were they?
–
Was the product or machine used as intended?
–
How did the fault become apparent?