ABB ACH550-01 User Manual page 390

ACH550-01 User's Manual
Alarm
Display
code
2024
RESERVED
2025
FIRST START
2026
INPUT PHASE
LOSS
2027
USER LOAD
CURVE
2028
START DELAY
Note 1. Even when the relay output is configured to indicate alarm conditions
(e.g. parameter 1401
is not indicated by a relay output.
Diagnostics and maintenance
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Not used.
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
models.
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.
This alarm warns that the condition defined by
parameter 3701
longer than half of the time defined by 3703
.
LOAD C TIME
Shown during the Start delay. See parameter
2113
START DELAY
1 = 5 (
RELAY OUTPUT
Description
for a description of motor
ID RUN
USER LOAD C MODE
.
) or 16 ( /
ALARM FLT ALARM
has been valid
USER
), this alarm
385