Siemens ecofast 3RK1702-2GB18-0AA1, Руководство пользователя

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Fault Handling
ECOFAST Motor Starters
5-4
GWA 4NEB 950 5221-12 DS 02
5.2 Potential Faults in Motor Starters with PROFIBUS-DP
Motor starter: 3RK1303-2AS54-1AA.
Table 5-1: Faults and fault handling for 3RK1 303-5BS44-1AA.
Potential faults Action LED
indicator
Acknow-
ledged by
Comment
Bus fault Switch substi-
tute value AS-i: red Auto
*)
Check the communication con-
nection to the field bus master.
Possible causes of faults:
• Bus line severed
• Field bus master defective
Process image
error Trip SF: red OFF
command Deactivate the Motor CW/CCW
control command.
Undervoltage
AS-i
Trip SF: red Auto
*)
Check the power supply.
U
DC24V-NS
< 18 V
Undervoltage
AUX PWR
Trip SF: red Auto
*)
Check the power supply.
U
DC24V-S
< 18 V
No main power
supply
Fault not recognized!
If the motor cannot be switched
on even though it is properly
connected and power has been
applied, the internal fuses are
defective.
−>
Replace the device!
Sensor supply
overload
Trip SF: red Trip reset Check the sensor supply.
I
Sensor
> 200 mA
Temperature
sensor
overload
Warning/ SF: red Auto
*)
Wait until the motor has cooled
down.
Trip SF: red Autoreset/
trip reset Wait until the motor has cooled
down.
Acknowledge after motor has
cooled down.
If acknowledgement is not pos-
sible, the motor is still too hot.
Temperature
sensor
short-circuit
Warning/ SF: red Auto
*)
Remove the short-circuit on the
temperature sensor lead.
Trip SF: red Autoreset/
trip reset Remove the short-circuit on the
temperature sensor lead.
Acknowledge once the fault has
been rectified.
Temperature
sensor
wire break
Warning/ SF: red Auto
*)
Remove the wire break on the
temperature sensor lead.
Trip SF: red Autoreset/
trip reset Remove the wire break on the
temperature sensor lead.
Acknowledge once the fault has
been rectified.
Self-test fault
(device fault)
Trip SF: red Power OFF Switch the device off and then
back on.
Switching ele-
ment defective Trip SF: red
STATE: red Power OFF If a device fault is reported
again, the device must be
replaced.
* Once the cause of the fault has been removed, the fault is acknowledged automatically regardless
of the parameters set (not to be confused with autoreset).