WX9 ASD Installation and Operation Manual
197
OL2
Motor Overload
• Improper V/f setting.
• Motor is locked.
• Continuous operation at low speed.
• Load requirement exceeds ability of the motor.
• Startup frequency setting adjustment is required.
OP1
Over-Volt Accel
• Motor is running during restart.
OP2
Over-Volt Decel
• Deceleration time is too short.
• Stall protection is disabled.
• Three-phase input voltage is out of specification.
• Input reactance is required.
OP3
Over-Volt Run
• Load fluctuations.
• Three-phase input voltage is out of specification.
Ot
Over-Torque
• A torque requirement by the load in excess of the setting of
or
for a time longer
than the setting of
• The ASD is improperly matched to the application.
• The load is obstructed.
UC
Under-Curr(ent)
Trip
• Improper Low-Current detection level setting.
UP1
Main Power
Under-Voltage
• Three-phase input voltage is low.
• Momentary power failure longer than the time setting of
.
UP2
Control Power
Under-Voltage
• This fault is caused by an under-voltage condition at the 5, 15, or the 24 VDC supply.
• Three-phase input voltage is low.
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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