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1-290
ACH550-UH User’s Manual
Diagnostics
Note 1.
Even when the relay output is configured to indicate alarm conditions (e.g. parameter
1401
RELAY OUTPUT
1 = 5 (
ALARM
) or 16 (
FLT
/
ALARM
)), this alarm is not indicated by a relay output.
2015
PFA
INTERLOCK
This alarm warns that the PFA interlocks are active, which means that
the drive cannot start the following:
• Any motor (when Autochange is used),
• The speed regulated motor (when Autochange is not used).
2016
Reserved
2017
OFF
BUTTON
Note 1.
2018
(note 1)
PID
SLEEP
This alarm warns that the PID sleep function is active, which means
that the motor could accelerate when the PID sleep function ends.
• To control PID sleep, use parameters 4022…4026 or 4122…4126.
2019
ID
RUN
Performing ID run.
2020
OVERRIDE
This alarm warns that the Override function is active, which may start
the motor.
2021
START
ENABLE
1
MISSING
This alarm warns that the Start Enable 1 signal is missing.
• To control Start Enable 1 function, use parameter 1608.
To correct, check:
• Digital input configuration.
• Communication settings.
2022
START
ENABLE
2
MISSING
This alarm warns that the Start Enable 2 signal is missing.
• To control Start Enable 2 function, use parameter 1609.
To correct, check:
• Digital input configuration.
• Communication settings.
2023
EMERGENCY
STOP
Emergency stop activated.
2024
ENCODER
ERROR
The drive is not detecting a valid encoder signal. Check for and
correct:
• Encoder presence and proper connection (reverse wired, loose
connection, or short circuit).
• Voltage logic levels are outside of the specified range.
• A working and properly connected Pulse Encoder Interface Module,
OTAC-01.
• Wrong value entered in parameter 5001
PULSE
NR
. A wrong value
will only be detected if the error is such that the calculated slip is
greater than 4 times the rated slip of the motor.
• Encoder is not being used, but parameter 5002
ENCODER
ENABLE
=
1 (
ENABLED
).
2025
FIRST
START
Signals that a the drive is performing a First Start evaluation of motor
characteristics. This is normal the first time the motor is run after motor
parameters are entered or changed. See parameter 9910 (
MOTOR
ID
RUN
) for a description of motor models.
2026
RESERVED
Not used.
2027
USER
LOAD
CURVE
This alarm warns that the condition defined by parameter 3701
USER
LOAD
C
MODE
has been valid longer that half of the time difined by 3703
USER
LOAD
C
TIME
.
2028
START
DELAY
Shown during the Start delay. See parameter 2113
START
DELAY
.
Alarm
Code
Display
Description
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