E-Clipse Bypass Configurations for ACH550 Drives 81
Diagnostics and Troubleshooting
4008 DRIVE SETUP Alarm generated when
configuration of drive is
such that bypass can
not properly control the
drive. Specifically, drive
parameters
1001,1002,1601, 1608
Incorrect parameters
settings
Set Parameter 1001 to
“COMM”
Set Parameter 1002 to
“COMM”
Set Parameter 1601 to
“COMM”
Set Parameter 1608 to
“COMM”
4009 BYPASS RUN DELAY Alarm is generated
when a bypass start
command is issued
and there is non zero
time value in bypass
parameter 1614
NA NA
4010 MTR OVERLOAD Bypass warning if
motor overload
conditions exist as
defined in the drive
Drive Mode:
Bad Motor
Bad Ct’s
Bad RBCU
Bypass mode:
Bad motor
Bad CT’s
Bad RBCU
Either mode:
low input voltage
Drive Mode:
Refer to 550 manual
for proper
troubleshooting
techniques
Bypass Mode:
Check that J2
connector is firmly
seated in RBCU
Check input voltage
Does overload
condition exist?
4011 MTR UNDERLOAD Alarm comes at half
the time of a mtr
underload fault. See
fault 3017 for further
text
NA Parameter 3002 is the
time
Parameter 3003 is the
level
4012 BYPASS DISABLED Alarm will be
generated if parameter
1613 is set to “Disable”
NA NA
4013 DRIVE LINK ERROR Same as Fault 3019
however will occur
when not in
supervisory mode
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
4014 DRIVE TEST Alarm is generated
when bypass
parameter 1617 is set
to “enable”
NA NA
4015 START DRIVE 1ST Message displayed on
initial “out of box”
power up sequence
NA NA
Alarm
Code
Alarm Name In Panel Alarm Possible Cause Corrective Action
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