Q9 Plus ASD Installation and Operation Manual
245
Alarms, Trips, and Troubleshooting
This section lists the available
User Notification
codes of the EOI display and provides information that
assists the user in the event that an
Alarm
or a
Fault
is incurred. The
User Notification
codes are
displayed as an indication that a system function or system condition is active (i.e., Atn). The code is
displayed on the EOI for the duration of the activation.
If a user setting or a
Q9 Plus ASD
parameter has been exceeded, or if a data transfer function produces an
unexpected result, a condition that is referred to as a
Fault
is incurred.
An
Alarm
is an indication that a
Fault
is imminent if existing operating conditions continue unchanged.
An
Alarm
may be associated with an output terminal to notify the operator of the condition remotely,
close a contact, or engage a brake. At the least, an
Alarm
will cause an alarm code to appear on the EOI
display.
Table 18
lists the
Alarm
codes that may be displayed during operation of the
Q9 Plus ASD
.
In the event that the condition that caused the
Alarm
does not return to its normal operating level within a
specified time, the ASD
Faults
and a
Trip
is incurred (
Fault
and
Trip
are sometimes used
interchangeably).
A
Trip
is a safety feature (the result of a
Fault
) that disables the
Q9 Plus ASD
system and removes the 3-
phase power from the motor in the event that a subsystem of the ASD is malfunctioning, or if one or more
of the variables listed below exceeds its normal range in time and/or magnitude:
• Current,
• Voltage,
• Speed,
• Temperature,
• Torque, or
• Load.
See
Table 19 on pg. 251
for a listing of the potential
Faults/Trips
and the associated probable causes.
The operating conditions at the time of the trip may be used to help determine the cause of the trip. Listed
below are operating conditions that may be used to assist the operator in correcting the problem or that the
ASD operator should be prepared to discuss when contacting the TIC Customer Support Center for
assistance.
• What trip information is displayed?
• Is this a new installation?
• Has the system ever worked properly and what are the recent modifications (if any)?
• What is the ASD/Motor size?
• What is the CPU version and revision level?
• What is the EOI version?
• Does the ASD trip when accelerating, running, decelerating, or when not running?
• Does the ASD reach the commanded frequency?
• Does the ASD trip without the motor attached?
• Does ASD trip with an unloaded motor?
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