Bosch Rexroth Servodyn-D Series Maintenance Manuallines page 31

4–8 Bosch Rexroth AG
VMA..KR, VMA..B,C,D,F and DM/DS error displays
Displays flash Error
alternately.
The drive has switched off.
Load contactor is not released
Synchronization error in VM..B,C,D
Mains frequency
Mains frequency < 48 Hz or > 62 Hz
Overvoltage in DC link
DC link voltage > 800 V
(before: U1 warning display)
Has several meanings on the VMW 180:
D DC link overvoltage
Display may also appear if another error
has been cleared with "Drive On".
D Overcurrent in output stage
D Driver switched off because of overcur-
D Driver circuit of the output stage defec-
Undervoltage in DC link
DC link voltage <400 V
Overvoltage in system
System voltage is too high
Undervoltage in system
System voltage is too low
Power supply fault
Internal logic supply voltages not in admis-
sible range
Fault in external 24 V DC
24 V module supply not within permitted
range
Electric Drives
and Controls
rent in output stage
tive
Servodyn-D 1070 066 032 / 03
Action
D Replace mains connection module
D Check system voltage
D Replace supply module
D Check mains frequency
D Reduce feedback power
(select longer delay time, reduce brak-
ing current)
D Note error message on VM
D Error can be cleared with "Drive On"
D After "Drive On" error can be cleared by
module RESET
D After "Drive On" and module RESET
error can be cleared by toggling 24-V
off/on
D Error cannot be cleared. Replace mod-
ule.
D Reduce acceleration power of the axes
(warning display U1 shown before on
VM)
D A 2- or 3-phase mains failure may have
been present (previously warning dis-
play U5 on the VM)
D Check system voltage
D Check system voltage
D Replace module
D Check 24 V supply at X30 of the supply
module
D Check F1 miniature fuse in VM