E-Clipse Bypass Configurations for ACH550 Drives 75
Diagnostics and Troubleshooting
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 30.03 for the
time (s) set in
parameter 30.02 fault
will be generated.
Parameter 30.03 is a
percentage of motor
power as defined in the
drive via parameter
99.09. 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
32.02-32.05. Increase
time delays on
parameters 32.04 and
32.05
3019 DRIVE LINK FAULT Supervisory Mode Only.
Fault generated if RS-
485 link between drive
and bypass stops
communicating.
Bad cable between
drive and bypass
Communication
improperly set in drive
Parameter
98.02(Modbus)
Application Macro in
99.02 set to 15 (text)
Check ACH550 E-clipse
user manual.
Proper seating of cable
in drive and
RBCU(connector J3)
Check drive parameter
98.02 and 99.02
Check drive Group 53
Follow DriveLink
recovery procedure
Fault
Code
Fault Name In Panel Fault Possible Cause Corrective Action