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LED Display
LCD Display
• Improper V/f setting.
OL2
Motor Overload
• Motor is locked.
• Continuous operation at low speed.
• Load requirement exceeds ability of the motor.
• Startup frequency setting adjustment is required.
• Motor is running during restart.
OP1
Over-Volt Accel
• Deceleration time is too short.
OP2
Over-Volt Decel
• Stall protection is disabled.
• Three-phase input voltage is out of specification.
• Input reactance is required.
• Load fluctuations.
OP3
Over-Volt Run
• Three-phase input voltage is out of specification.
• A torque requirement by the load in excess of the setting of
Ot
Over-Torque
• The ASD is improperly matched to the application.
• The load is obstructed.
• Improper Low-Current detection level setting.
UC
Under-Curr(ent)
Trip
• Three-phase input voltage is low.
UP1
Main Power
• Momentary power failure longer than the time setting of F628.
Under-Voltage
• This fault is caused by an under-voltage condition at the 5, 15, or the 24 VDC supply.
UP2
Control Power
• Three-phase input voltage is low.
Under-Voltage
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
than the setting of F618.
F616
or
F617
for a time longer
197
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