GX9 ASD Installation and Operation Manual
227
*POFF
*Control Power 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.
Rtry
Retry
After a trip has occurred, for a
number of user-set times an
automatic system restart is
attempted for a qualified trip.
• The
Retry
function is active.
UC
Low-Current Operation
With the
Low-Current Trip
(
) parameter enabled, the
output current of the ASD is
below the level defined at
and remains there for a time
longer than the setting of
.
• Output current too low.
NOFL
Virtual Linear Pump
No Flow
A Low suction/No-flow cut off
condition has been active for a
duration longer than the setting
of
• Pump prime required.
• Feed water loss.
• Output valve is closed.
• System may be set to Trip or Alarm for this
condition at
.
*
Reset ignored if active.
LED
Screen
LCD
Screen
Description
Possible Causes/
Troubleshooting
Summary of Contents for GX9
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