SLX.dF Solutions Module slot X trip: Solutions Module type installed in slot X has changed
- Save parameters and reset the drive.

SLX.HF Solutions Module slot X trip: Solutions Module hardware fault in slot X
- Ensure the Solutions Module is correctly installed.
- Return the Solutions Module to the supplier.

SLX.nF Solutions Module slot X trip: Solutions Module has been removed
- Ensure the Solutions Module is correctly installed.
- Reinstall the Solutions Module.
- Save parameters and reset the drive.

SL.rtd Solutions Module trip: Drive mode has changed and Solutions Module parameter routing is now incorrect
- Press the reset button.
- If the error persists, contact the drive supplier.

SLX.tO Solutions Module slot X trip: Solutions Module watchdog timeout
- Press the reset button.
- If the error persists, contact the drive supplier.

t038 User trip defined in 2nd processor Solutions Module code
- SM-Applications program must be interrogated to find the cause of this trip.

t040 - t089 User trip defined in 2nd processor Solutions Module code
- SM-Applications program must be interrogated to find the cause of this trip.

t099 User trip defined in 2nd processor Solutions Module code
- SM-Applications program must be interrogated to find the cause of this trip.

t101 User trip defined in 2nd processor Solutions Module code
- SM-Applications program must be interrogated to find the cause of this trip.

t112 - t160 User trip defined in 2nd processor Solutions Module code
- SM-Applications program must be interrogated to find the cause of this trip.

t168 - t174 User trip defined in 2nd processor Solutions Module code
- SM-Applications program must be interrogated to find the cause of this trip.

t216 User trip defined in 2nd processor Solutions Module code
- SM-Applications program must be interrogated to find the cause of this trip.

th Motor thermistor trip
- Check motor temperature.
- Check thermistor continuity.
- Disable this function by setting Pr 7.15 = VOLt and reset the drive.

thS Motor thermistor short circuit
- Check motor thermistor wiring.
- Replace the motor or motor thermistor.
- Disable this function by setting Pr 7.15 = VOLt and reset the drive.

tunE Autotune stopped before completion
- The drive tripped during autotune.
- The red stop key was pressed during autotune.
- The SAFE TORQUE OFF (SECURE DISABLE) signal (terminal 31) was active during the autotune procedure.

tunE1 Position feedback did not change or required speed could not be reached during the inertia test (see Pr 5.12)
- Ensure the motor is free to turn, i.e., the brake is released.
- Ensure Pr 3.26 and Pr 3.38 are set correctly.
- Check that feedback device wiring is correct.
- Check the encoder's connection to the motor.

tunE2 Position feedback direction incorrect or motor could not be stopped during the inertia test (see Pr 5.12)
- Check that motor cable wiring is correct.
- Check that feedback device wiring is correct.
- Swap any two motor phases.

tunE3 Drive encoder commutation signals connected incorrectly or measured inertia is out of range (see Pr 5.12)
- Check that motor cable wiring is correct.
- Check that feedback device U, V, and W commutation signal wiring is correct.

tunE4 Drive encoder U commutation signal failed during autotune
- Check continuity of feedback device U phase commutation wires.
- Replace the encoder.

tunE5 Drive encoder V commutation signal failed during autotune
- Check continuity of feedback device V phase commutation wires.
- Replace the encoder.

tunE6 Drive encoder W commutation signal failed during autotune
- Check continuity of feedback device W phase commutation wires.
- Replace the encoder.

tunE7 Motor number of poles set incorrectly
- Check the number of lines per revolution for the feedback device.
- Ensure the number of poles in Pr 5.11 is set correctly.

Unid.P Power module unidentified trip
- Check all interconnecting cables between power modules.
- Ensure the cables are routed away from electrical noise sources.

UP ACC Onboard PLC program: Cannot access Onboard PLC program file on the drive
- Disable the drive – write access is not allowed when the drive is enabled.
- Another source is already accessing the Onboard PLC program – retry once the other action is complete.

UP div0 Onboard PLC program attempted divide by zero
- Check the program.

UP OFL Onboard PLC program using more variables and function block calls than the allowed RAM space (stack overflow)
- Check the program.

UP ovr Onboard PLC program attempted out of range parameter write
- Check the program.

UP PAr Onboard PLC program attempted access to a non-existent parameter
- Check the program.

UP ro Onboard PLC program attempted write to a read-only parameter
- Check the program.

UP So Onboard PLC program attempted read of a write-only parameter
- Check the program.

UP udF Onboard PLC program undefined trip
- Check the program.

UP uSEr Onboard PLC program requested a trip
- Check the program.

UV DC bus under voltage threshold reached
- Check AC supply voltage level.

Drive voltage ratings:

- 200V: Under voltage threshold = 175V, UV reset voltage = 215V
- 400V: Under voltage threshold = 330V, UV reset voltage = 425V
- 575 & 690V: Under voltage threshold = 435V, UV reset voltage = 590V