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LED Display
LCD Display
DC bus voltage exceeds
*OP
*Over-Voltage
specifications.
Torque requirement in
OT
Over-Torque
excess of the setting of
F616
longer than the setting of
F618.
Under-voltage condition at
*POFF
*Control Power
the 5, 15, or the 24 VDC
Under-Voltage
supply.
After a trip has occurred,
rtry
Retry
for a number of user-set
times, an automatic
system restart is attempted
for a qualified trip.
Two speed-reference
PtSt
Reference Point
frequency setpoint values
are too close to each other.
With the Low-Current
UC
Under-Current
Trip (F610) parameter
enabled, the output current
of the ASD is below the
level defined at
remains there for a time
longer than the setting of
F612.
* Reset ignored if active.
WX9 ASD Installation and Operation Manual
Table 13. WX9 ASD Alarms. (Continued)
Description
• ASD attempting to start into a spinning motor after a
• Incoming commercial power is above the specified range.
• Decel time is too short.
• Voltage spikes at the three-phase input; install inductive filter.
• Over-Voltage Stall feature is turned off.
• System is regenerating.
• Load instability.
• Disable the Ridethrough function (F302).
• ASD is not correctly matched to the application.
•
or
F617
for a time
• Obstructed load.
• Defective control board.
• Excessive load on power supply.
• Low input voltage.
• The Retry function is active.
• Two speed reference frequency setpoints are too close to each
• Output current too low.
F611
and
Possible Causes/Troubleshooting
momentary power loss.
F616
or
F617
setting is too low.
other (increase the difference).
191
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