ABB ACH550-UH User Manual page 576

2-230
Fault
Code
3202 T2 OVERLOAD
3203 T3 OVERLOAD
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.
Diagnostics
Fault Name In
Panel
T2 program cycle is
overloaded
T3 program cycle is
overloaded
Program cycle is
overloaded
Bypass control board
type is unknown.
Drive reports rating
not found in bypass
software
NA
ACH550 E-Clipse Bypass User's Manual
Fault Possible Cause
NA
NA
NA
Firmware is not
compatible with
control board in
RBCU.
Drive does not match
drives configured in
bypass RBCU
NA
Corrective Action
Contact ABB with
information that
proceeded fault
Cycle Power
Replace RBCU
Contact ABB with
information that
proceeded fault
Cycle Power
Replace RBCU
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