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P9 ASD Installation and Operation Manual
Alarms
lists the alarm codes that may be displayed during operation of the
P9 ASD
. Each alarm code
listed is accompanied by a description and a possible cause. In the event that the source of the malfunction
cannot be determined, contact the TIC Customer Support Center for further information on the condition
and for an appropriate course of action.
The
Alarms
are listed in the top-down order that they are checked for activation. Only the first to be
detected will be displayed on the
Frequency Command
screen.
Table 14. P9 ASD Alarms.
LED
Screen
LCD
Screen
Description
Possible Causes/Troubleshooting
AbFL
Low Suction/No Flow
Cut Off
Running ASD producing no
flow.
• Loss of suction pressure or closed pump output valve.
• Activated discrete input terminal set to
Low Suction/No
Flow Protection
.
• ASD
time setting.
CM1
Comm1 Error
Internal communications error.
• Improperly programmed ASD.
• Improper communications settings.
• Improperly connected cables.
CM2
Comm2 Error
External communications error.
E
Emergency Off
Output signal from the ASD is
terminated and a brake may be
applied if so configured.
• Stop|Reset was pressed twice at the EOI.
• EOFF command was received remotely.
• ASD reset is required.
MOFF
Main Under-Voltage
Under-voltage condition at the
3-phase AC input to the ASD.
• Low 3-phase commercial voltage.
OC
Over-Current
ASD output current greater than
setting.
• Defective IGBT (U, V, or W).
• ASD output to the motor is connected incorrectly.
• ASD output phase-to-phase short.
• The ASD is starting into a spinning motor.
• Motor/machine is jammed.
• Mechanical brake engaged while the ASD is starting or
while running.
• Accel/Decel time is too short.
• Voltage Boost setting is too high.
• Load fluctuations.
• ASD is operating at an elevated temperature.
OJ
Timer
Run-time counter exceeded.
•
Type Reset
is required; select
Clear run timer
.
*
Reset ignored if active.
Summary of Contents for P9
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