6
Service
Fault messages and list of faults
Compact Operating Instructions – MOVIDRIVE
®
MDX60B/61B
29
Fault
Subfault
Code Designation Response
(P)
Code
Designation
Possible cause
Measure
39
Reference
travel
Immediate
stop (P)
0
"Reference travel" fault
• The reference cam is miss-
ing or does not switch
• Limit switches are connected
incorrectly
• Reference travel type was
changed during reference
travel
• Check reference cam
• Check limit switch connec-
tion
• Check reference travel type
setting and required para-
meters.
40
Boot synchro-
nization
Immediate
stop
0
Timeout at boot synchro-
nization with option
• Fault during boot synchro-
nization between inverter
and option
• Synchronization ID not/incor-
rectly transmitted
Install a new option card if this
fault reoccurs
41
Watchdog op-
tion
Immediate
stop
0
Fault – Watchdog timer
from/to option
• Fault in communication
between system software
and option software
• Watchdog in the IPOS
PLUS®
program
• Consult SEW Service
17
Watchdog IPOS fault
• An application module has
been loaded in a
MOVIDRIVE
®
B unit without
technology version
• The wrong technology func-
tion has been set if an appli-
cation module is used
• Check IPOS program
• Check whether the unit has
been activated for the appli-
cation version (P079)
• Check the selected techno-
logy function (P078)
42
Lag fault
Immediate
stop (P)
0
Positioning lag fault
• Rotary encoder connected
incorrectly
• Acceleration ramps too short
• P component of positioning
controller too small
• Incorrect speed controller pa-
rameters
• Value of lag fault tolerance
too small
• Check rotary encoder con-
nection
• Extend ramps
• Set P component to higher
value
• Reset speed controller pa-
rameters
• Increase lag fault tolerance
• Check wiring of encoder,
motor and line phase.
• Check whether mechanical
system components can
move freely or if they are
blocked
43
RS485
timeout
Rapid stop
(P)
0
Communication timeout at
RS485 interface
Fault during communication via
interface RS485
Check RS485 connection
(e.g. inverter – PC, inverter -–
DBG60B). Contact SEW
Service for advice if neces-
sary
43
RS485
timeout
Rapid stop
(P)
3
Manual mode timeout
Communication to source that
controls manual operation inter-
rupted. (Independent of the
used user interface)
Check connection to control
signal source
44
Device utiliza-
tion
Immediate
stop
0
Unit utilization fault
• Device utilization (I × t
value) > 125%
• Decrease power output
• Extend ramps
• If suggested actions not
possible, use larger inverter
• Reduce load
8
UL monitoring fault
24770531/EN – 11/2017
Содержание Movidrive MDX60B
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