P9 ASD Quick Start Guide 73
* Reset ignored if active.
*POFF Control Under-Voltage Under-voltage condition at the 5,
15, or the 24 VDC supply.
• Defective Control board.
• Excessive load on power supply.
• Low input voltage.
PtSt Reference Point Two speed-reference frequency
setpoint values are too close to
each other.
• Two speed reference frequency setpoints are too close to
each other (increase the difference).
UC Under-Current With the Low-Current Trip
(F610) parameter enabled, the
output current of the ASD is
below the level defined at F611
and remains there for a time
longer than the setting of F612.
• Output current too low.
LED
Screen
LCD
Screen
Description Possible Causes/Troubleshooting
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