Toshiba Q9+ - Page 281

Alarms, Trips, and Troubleshooting
Q9 Plus ASD Install/Op Manual
https://www.toshiba.com/tic/ 269
Note: The event that caused the trip(s) must be corrected or must decrease to less than the
threshold value required to cause the trip to allow for a Reset to be recognized. In the event
of multiple active trips, the trip displayed will remain until all faults are corrected and
cleared.
ETN1 Torque Boost Err
Autotuning Error — Torque
boost error.
• Improper setting at F410.
ETN2
Leak Inductance
Err
Autotuning Error — Leak
inductance error.
• Improper setting at F412.
ETN3 Motor Rating Err
Autotuning Error — Motor
rating error.
• Improper setting at F405, F406, or F407.
ETYP ASD Type Error ASD type error.
• Firmware information (typeform) loaded into the
Application Board is inconsistent with the
typeform information loaded into the Motor
Control Board.
• Application Board or Motor Control Board is
defective.
OC1, OC1P Over-Current Acc
Over-current during
acceleration.
• V/f setting needs to be adjusted.
• Restart from a momentary power outage.
• The ASD is starting into a rotating motor.
• ASD/Motor is improperly matched to the
application.
• Phase-to-phase short (U/T1, V/T2, or W/T3).
• Acceleration time is too short.
• Voltage Boost setting is too high.
• Motor/machine is jammed.
• Mechanical brake is engaged while the ASD is
running.
• ASD current exceeds 320% or 340% of the rated
FLA on ASDs that are greater than 100 HP or
that are 100 HP or less, respectively, during
acceleration.
OC2, OC2P Over-Current Dec
Over-current during
deceleration.
• Phase-to phase short (U/T1, V/T2, or W/T3).
• Deceleration time is too short.
• Motor/machine is jammed.
• Mechanical brake is engaged while the ASD is
running.
• ASD current exceeds 320% or 340% of the rated
FLA on ASDs that are greater than 100 HP or
that are 100 HP or less, respectively, during
acceleration.
Table 18. Fault Codes (Continued)
LED
Screen
LCD
Screen
Fault Description Possible Cause