
Rockwell Automation Publication 280E-UM001B-EN-P - July 2012 225
Troubleshooting Chapter 10
Figure 83 - Bulletin 284E Control Module LED Status
DB1 Faults
Operation and Troubleshooting of the DB1 - Dynamic Brake
Eight types of DB1 faults are detected and reported in Parameter 61 as either a
“DB1 Flt”, “DB1 Comm Fault” or DB1 Switch Short”. DB1 faults are also
reported in Attribute 158 “DB1 Fault” of the Control Supervisor Object (Class
Code: 29 Hex). See Appendix B
for Control Supervisor information.
If the ArmorStart Fault LED blinks 11x's check parameter 61. If value is 41,
check the following:
• DB1 Comm Fault
If the ArmorStart Fault LED blinks 16x's check parameter 61. If value is 42,
check the following:
• DB1 Resistor Overtemperature Fault
• DB1 Overcurrent Fault
• DB1 Undercurrent Fault
• DB1 Open Fault
• DB1 VBus Link Fault
If the ArmorStart Fault LED blinks 16x's check parameter 61. If value is 43,
check the following:
• DB1 Switch Fault
Faulted Display
See
Table 37
Fault
LED
Network
LED
Ye s
No
See
Table 34
See
Table 40
Actions
Motor will not
start
Define Nature of
the Problem
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