Fault Resetting - ABB ACH550 series User Manual

78
Fault
Fault Name In Panel
Code
3204 STACK OVERFLOW
3205 UNKNOWN CB
3206 UNKNOWN DRIVE
3207 UNKNOWN BYPASS

Fault Resetting

Warning! If an external source for start command is selected and it is active,
the system may start immediately after fault reset.
Flashing Red LED
To reset the bypass for faults indicated by a flashing red LED:
• Turn off the power for 5 minutes.
Red LED
To reset the bypass for faults indicated by a red LED (on, not flashing), correct the
problem and do one of the following:
• From the bypass control panel, press OFF/RESET
• Turn off the power for 5 minutes.
Depending on the value of 1607,
used to reset the drive:
• Digital input
• Serial communication
When the fault has been corrected, the motor can be started.
Diagnostics and Troubleshooting
E-Clipse Bypass Configurations for ACH550 Drives
Fault
Program cycle is
overloaded
Bypass control board
type is unknown.
Drive reports rating not
found in bypass
software
NA
FAULT RESET SELECT
Possible Cause
NA
Firmware is not
compatible with control
board in RBCU.
Drive does not match
drives configured in
bypass RBCU
NA
, the following could also be
Corrective Action
Contact ABB with
information that
proceeded fault
Cycle Power
Replace RBCU
Firmware 93F and
greater compatible with
all RCBU hardware.
Firmware 93D and
earlier can only be
loaded in RBCU Rev D
and earlier.
Replace RBCU or
reload with most current
firmware
Replace RBCU or load
most current firmware
Contact ABB at 1-800-
HELP-365 option 4
Replace RBCU or load
most current firmware