Table of Contents
Advertisement
LED Display
LCD Display
• Firmware information (typeform) loaded into the Gate Driver board is inconsistent with
Etype
ASD Type(form)
Error
• The Gate Driver board has been replaced.
• The Gate Driver board is defective.
• Improper V/f setting.
OC1
Over-Current
• Restart from a momentary power outage.
During Acc
• 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
• Cooling fan is inoperative.
OC1P
Over-Heat
• Ventilation openings are obstructed.
During Acc
• Internal thermistor is disconnected.
• Acceleration time is too short.
• Improper V/f setting.
• ASD or the motor is improperly matched to the application.
• Phase-to-phase short (U, V, or W).
OC2
Over-Current
• Deceleration time is too short.
During Dec
• 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
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.
WX9 ASD Installation and Operation Manual
Table 14. WX9 ASD Trips and Faults. (Continued)
Possible Causes/Troubleshooting
the device in which the firmware is being used.
acceleration. On ASDs that are greater than 100 HP, this fault occurs when the ASD current
exceeds 320% of the rated FLA during acceleration.
deceleration. On ASDs that are greater than 100 HP, it occurs when the ASD current
exceeds 320% of the rated FLA during deceleration.
195
Advertisement
Table of Contents
