System Manual – MOVIDRIVE® compact Drive Inverters
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Fault list
Service
28
Fieldbus
Timeout
Rapid stop
•
No communication between master and slave
within the projected response monitoring.
•
Check communications routine of the
master
•
Extend fieldbus timeout time
(P819)/deactivate monitoring
29
Limit switch
contacted
Emergency
stop
Limit switch was reached in IPOS operating
mode.
•
Check travel range
•
Correct operator program
30
Emergency
stop
Timeout
Immediate
disconnec-
tion
•
Drive overloaded
•
Emergency stop ramp too short.
•
Check project planning
•
Extend emergency stop ramp
31
TF trip
No
Response
•
•
Motor too hot, TF sensor has tripped
•
TF sensor of motor not connected or
connected incorrectly
•
Connection of MOVIDRIVE
®
and TF on
motor interrupted
•
Let motor cool off and reset error
•
Check connections/link between
MOVIDRIVE
®
and TF
•
Set P835 to "No response"
32
IPOS Index
overflow
Emergency
stop
Programming principles violated leading to
internal system stack overflow
Check IPOS
plus®
user program and correct if
necessary (
→
IPOS
plus®
manual)
33
Setpoint
source
Immediate
disconnec-
tion
Setpoint source not defined or defined
incorrectly
Set correct setpoint source (P100)
35
Operating
mode
Immediate
disconnec-
tion
Operating mode not defined or defined
incorrectly
Use P700 or P701 to set correct operating
mode
37
System
watchdog
Immediate
disconnec-
tion
Error during execution of system software
Contact SEW Service.
38
System
software
Immediate
disconnec-
tion
System error
Contact SEW Service.
39
Reference
travel
Immediate
disconnec-
tion
•
The reference cam is missing or does not
switch
•
Limit switches are connected incorrectly
•
Reference travel type was changed during
reference travel
•
Check reference cam
•
Check limit switch connection
•
Check reference travel type setting and
required parameters.
41
IPOS watch-
dog option
Immediate
disconnec-
tion
•
Error in communication between system
software and option software
•
Watchdog in the IPOS program.
•
An application module has been loaded in
a MOVIDRIVE
®
unit without the
application version.
•
The wrong technology function has been
set if an application module is used.
•
Consult SEW Service
•
Check IPOS
plus®
program
•
Check whether the unit has been activated
for the application version (P079)
•
Check the selected technology function
(P078)
42
Lag error
Immediate
disconnec-
tion
•
•
Encoder connected incorrectly
•
Acceleration ramps too short
•
P component of positioning controller too
small
•
Incorrectly set speed controller
parameters
•
Value of lag fault tolerance too small
•
Check encoder connection
•
Extend ramps
•
Set P component to higher value
•
Reset speed controller parameters
•
Increase lag fault tolerance
•
Check wiring of encoder, motor and mains
phase.
•
Check whether mechanical system
components can move freely or if they are
blocked
43
RS485
timeout
Rapid stop
•
Connection between inverter and PC
interrupted.
Check connection between inverter and PC.
Contact SEW Service if necessary.
44
Unit utilization
Immediate
disconnec-
tion
Unit utilization (IxT value) exceeds 125 %
•
Decrease power output
•
Extend ramps
•
If suggested actions not possible, use
larger inverter
45
Initialization
Immediate
disconnec-
tion
•
No parameters set for EEPROM in power
section, or parameters set incorrectly.
•
Restore factory settings Consult SEW
Service if the fault still cannot be reset
47
System bus
timeout
Rapid stop
•
Error during communication via system bus.
Check system bus connection.
77
IPOS control
word
No
Response
In IPOS operating mode only:
•
An attempt was made to set an invalid
automatic mode (via external controller).
•
P916 set incorrectly.
•
Check serial connection to external
controller
•
Check write values of external controller
•
Set correct value for P916
Fault
code
Designation
Response
P Possible cause
Measure
Summary of Contents for MOVIDRIVE compact MCH41A
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