Diagnostics and maintenance
363
ACH550 User's Manual
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.
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.
2025
FIRST
START
Signals that 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
INPUT
PHASE
LOSS
The intermediate DC circuit DC voltage is
oscillating due to missing input power line phase or
blown fuse. The alarm is generated when the DC
voltage ripple exceeds 14% of the nominal DC
voltage.
• Check input power line fuses
• Check for input power supply imbalance.
Alarm
code
Display
Description
Summary of Contents for ACH550-01
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