ABB ACH550-UH User Manual

ACH550 E-Clipse Bypass User’s Manual 2-235
Diagnostics
4024 Selected by PAR
1624
START ENABLE 4
VIBRATION
SWITCH
...
LOW SUCTION
PRES
Alarm will occur when
start order is given and
the “RUN Enable” is not
present
Run Enable condition is
not satisfied.
Bad 24v supply
Bad digital input
24 V common is not
tied to Digital input
common on bypass
when using external 24
v supply
Check 24 Volts on
RBCU unit
Check for 24 volts on
respective DI when
condition is satisfied
Check Parameter 0103
For status of digital
input
4025 LOCAL DISABLED Alarm is displayed if
MODE LOCK (16.29) is
set to AUTO MODE
and the Hand or Off key
is pressed
4026 AUTO DISABLED This alarm is displayed
if MODE LOCK (1629)
is set to LOCAL MODE
and the Auto key is
pressed.
4027 COMM CONFIG
ERR
Alarm is displayed if the
drive and bypass MAC
addresses are equal or
invalid.
E-Clipse parameters
5002(BP MAC ID) &
5302 (DV MAC ID) are
set to the same value
Change MAC address
to unique values
4028 FBA PAR CONF Non embedded
fieldbus has detected
an error in Group 51
parameters
Verify Group 51
parameters
4029 DRIVE FAULTED The drive is faulted. Reset drive
4030 OVRD2 VFD Alarm is generated
when override 2 is
active and the drive is
controlling the motor
NA Check Parameter 0103
and 0104 for digital
input status
4031 OVRD2 STOP Alarm is generated
when override 2 is
active and both the
bypass and drive
output contactors are
deenergized
NA Check Parameter 0103
and 0104 for digital
input status
Alarm
Code
Alarm Name In
Panel
Alarm Possible Cause Corrective Action

ABB ACH550-UH Specifications

General

Brand	ABB
Model	ACH550-UH
Category	Controller
Language	English