ABB ACH550-VCR - Page 573

ACH550 E-Clipse Bypass User’s Manual 2-227
Diagnostics
3013 DRIVE 1ST
START
Fault generated if
attempting to close the
bypass contactor with
out running the
bypass in drive mode
first.
NA Run bypass unit in
drive mode before
attempting bypass
mode
3014 COIL POW
SUPPLY
Coil power supply has
failed to reach rated
voltage
Internal failure on
RBCU unit
Shorted contactor coil
Cycle power on
bypass unit. If
contactor coil is
shorted, fault 3023 or
3024 will be
generated.
If 3023 or 3024 is
generated, replace
respective contactor
If 3023 or 3024 is not
generated on power
up, replace RBCU
unit.
3016 EARTH FAULT Declared if attempting
to close the bypass
contactor when the
drive has earth fault
declared
Earth fault in motor Refer to the ACH550
manual
3017 MTR
UNDERLOAD
If motor power(%)
level falls below
minimum power level
establish in parameter
3003 for the time (s)
set in parameter 3002
fault will be generated.
Parameter 3003 is a
percentage of motor
power as defined in
the drive via
parameter 9909. Fault
only applies to bypass
mode
Broken belt Check load
Reset bypass keypad
Check ACH550
manual, fault code 17,
for further action
3018 MAX CYCLE
FAULT
Supervisory Mode
only. Declared if
bypass contactor is
closed by supervisory
control 16 times within
a 1 hour period.
High and low levels of
hysteresis band are
too tight
Check parameters
3202-3205. Increase
time delays on
parameters 3204 and
3205
3019 DRIVE LINK
FAULT
Supervisory Mode
Only. Fault generated
if RS-485 link between
drive and bypass
stops communicating.
Bad cable/connection
between drive and
bypass.
Communication
improperly set in drive
Parameter 9802.
Application Macro
improperly set in drive
parameter 9902.
Check Application
macros section.
Proper seating of
cable in drive and
RBCU(connector J3)
Check drive
parameter 9802
(Modbus) and 9902
(E-Clipse)
Check drive Group 53
Follow DriveLink
recovery procedure
Fault
Code
Fault Name In
Panel
Fault Possible Cause Corrective Action