Trip Res
Value 253
Short description
Reserved trip number.
Trip Res
Value 254
Short description
Reserved trip number.
Trip Reset
Value 100
Short description Not valid
This is not a valid trip number as this value is used in UserTrip (10.038) to reset the drive.
Trip rS
Value 33
Short description Resistance measurement failure
During auto-tune an attempt is made to measure the resistance of the motor connected to the drive. The drive will trip with one of the following sub-trip codes if a problem is
encountered during the measurement.
Sub-
trip
Reason
0
Stator resistance is > (V
FS
/ v2) / FullScaleCurrentKc (11.061), where V
FS
is the full scale d.c. link voltage; or the result is = 100ohms.
1 Reserved
2 The measured Transient Inductance is > 500mH or the measured Stator inductance is > 5000mH.
3
A resistance value entered by the user is > (V
FS
/ v2) / FullScaleCurrentKc (11.061), where V
FS
is the full scale d.c. link voltage. Clear this trip by
setting StatorResistance (05.017) to a value that is in range and reseting the drive.
4 The measured stator resistance is not > than the sub-trip 0 checks but is outside the firmware usable range for this drive size.
Recommended actions:
Ensure the stator resistance of the motor falls within the range of the drive model. The most likely cause of this trip is trying to measure a motor much smaller than the drive
rating. Ratio's of drive size to motor size of > 15:1 are likely to lead to problems.
Check that a value has not been entered in the Stator Resistance for the presently selected motor map that exceeds the allowed range.
Check the motor cable / connections.
Check the integrity of the motor stator winding using an insulation tester.
Check the motor phase to phase resistance at the drive terminals.
Check the motor phase to phase resistance at the motor terminals.
Select fixed boost mode (Open-loopVoltageMode (05.014) = Fixed) and verify the output current waveforms with an oscilloscope.
Replace the motor.
Trip Rst.L
Value 255
Short description Not valid - value used to reset the trip log
This is not a valid trip number as this value is used in UserTrip (10.038) to reset the trip logs.
Trip SCL
Value 30
Short description Control word watchdog timeout
This trip indicates that the control word watchdog has been enabled and has timed out.
Trip SL.dF
Value 204
Short description Option module has changed
If the option module fitted in option slot 1 is different to the option module present at the last power-down then this trip is produced. The sub-trip number gives the identification code
of the module that was originally fitted. Drive user parameters must be saved to prevent this trip on the next power-up if the module has changed. If the menus have been changed,
but not the module, the trip will not occur on the next power-up. The sub-trip number gives the following indications of the reason for the trip.
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