ACH550 Installation, Operation and Maintenance Manual
31
ACH550-UH
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.
Maintenance
Warning!
Read
Safety
on page
2
before performing any maintenance on the
equipment. Ignoring the safety instructions can cause injury or death.
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