WX9 ASD Installation and Operation Manual
195
Etype
ASD Type(form)
Error
• Firmware information (typeform) loaded into the
Gate Driver
board is inconsistent with
the device in which the firmware is being used.
• The
Gate Driver
board has been replaced.
• The
Gate Driver
board is defective.
OC1
Over-Current
During Acc
• Improper V/f setting.
• Restart from a momentary power outage.
• The ASD is starting into a rotating motor.
• ASD/Motor is not properly matched.
• Phase-to-phase short (U, V, or W).
•
Accel
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 340% of the rated FLA on ASDs that are 100 HP or less during
acceleration. On ASDs that are greater than 100 HP, this fault occurs when the ASD current
exceeds 320% of the rated FLA during acceleration.
OC1P
Over-Heat
During Acc
• Cooling fan is inoperative.
• Ventilation openings are obstructed.
• Internal thermistor is disconnected.
• Acceleration time is too short.
• Improper V/f setting.
• ASD or the motor is improperly matched to the application.
OC2
Over-Current
During Dec
• Phase-to-phase short (U, V, or W).
• Deceleration time is too short.
• Motor/machine is jammed.
• Mechanical brake is engaged while the ASD is running.
• ASD current exceeds 340% of the rated FLA on ASDs that are 100 HP or less during
deceleration. On ASDs that are greater than 100 HP, it occurs when the ASD current
exceeds 320% of the rated FLA during deceleration.
Note:
The event that caused the Trip(s) must be corrected or the monitored value 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 all Trips are cleared.
Table 14. WX9 ASD Trips and Faults. (Continued)
LED Display
LCD Display
Possible Causes/Troubleshooting
Содержание WX9 ASD
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