Bosch Rexroth Servodyn-D Series Maintenance Manuallines page 33

4–10 Bosch Rexroth AG
VMA..KR, VMA..B,C,D,F and DM/DS error displays
Displays flash Error
alternately.
The drive has switched off.
Normal operating mode:
ASTS signal in module cross-connection
not cleared properly
Special mode (RSU):
Channel error Drive shutdown
The VM initiates "Drive shutdown", how-
ever, it cannot transmit this status through
the module cross-connection.
No 24 V supply
The VM has detected that the 24 V supply
is missing in the axis modules.
Time delay > (16 sec – S1)
between the shutdown request for an axis
and an additional Emergency Stop com-
mand of the NC/PLC (S1 = rotary switch
on VM, front panel)
Emergency Stop timer on VM defective
CPU Test
Microprocessor fault
RAM Test
Fault in RAM memory
Checksum error
to
Update Memory Card
Update of memory card was incorrect.
Watchdog error
Error in security test
Memory overflow
Electric Drives
and Controls
Servodyn-D 1070 066 032 / 03
Action
D Check X810 signal cross-connection
D Check X810 signal cross-connection
D Replace module
D 24 V connection, check 24 V connection
D Eliminate time overlap between "Drive
shutdown" and "Emergency Stop"
D Toggle 24 V off / on or
press RESET
D Replace supply module
D Replace module
D Replace module
D Replace personality module or memory
card
D Replace memory card
D Replace module
D Replace module
D Replace module