F8079 Velocity Limit S-0-0091 Exceeded; F8091 Power Section Defective - Bosch Rexroth IndraDrive Troubleshooting Manual

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Error Messages

F8079 Velocity limit S-0-0091 exceeded

Cause
S-0-0040, Velocity feedback value has exceeded
1.125-fold value of S-0-0091, Bipolar velocity limit
value
Velocity control loop instable or too heavily
oscillating due to incorrect parameterization
Preset velocity command value too high (cf.
P-0-0048 = S-0-0036, Velocity command
value + S-0-0037, Additive velocity command
value)

F8091 Power section defective

Cause
After control voltage had been switched on, an error
was detected in power section of drive controller
LSA Control S.L. www.lsa-control.com comercial@lsa-control.com (+34) 960 62 43 01
Supported by Firmware Variant:
Remedy
Check and, if necessary, correct parameterization of
S-0-0091, Bipolar velocity limit value
Check and, if necessary, correct parameterization of
velocity loop
Reduce P-0-0048, Effective velocity command value
by adjusting S-0-0036, Velocity command value or
S-0-0037, Additive velocity command value
See also Functional Description "Control Loop Structure"
F8079 - Attributes
Display: F8079
Mess. no.: F8079 (hex)
Supported by Firmware Variant:
Remedy
Replace power section or entire drive controller
Note: Only Rexroth service engineers or especially trained users are
allowed to replace the power section. The replacement of the
entire drive controller is described in the Project Planning
Manual for the power section.
F8091 - Attributes
Display: F8091
Mess. no.: F8091 (hex)
Rexroth IndraDrive
FWA-INDRV*-MPH02VRS-MS
FWA-INDRV*-MPB02VRS-MS
FWA-INDRV*-MPD02VRS-MS
FWA-INDRV*-MPH02VRS-MS
FWA-INDRV*-MPB02VRS-MS
FWA-INDRV*-MPD02VRS-MS
DOK-INDRV*-GEN-**VRS**-WA01-EN-P