37
0
Resettable 
Fault
231 FdbkMsg Fiber 0
Feedback Msg Timeout Fiber 0. 
Transmission of the feedback message 
from M0 PLI transitioned from online to 
offline.
Power down and then check the fiber-
optic communication connection 
between the fiber interface circuit board 
and M0 PLI for damage. Replace the 
fiber-optic cable and/or fiber transceiver 
circuit board if needed. See the 
hardware service manual, publication 
750-TG100 for PowerFlex 755T or 
publication 750-TG101 for PowerFlex 
755TS products, for the replacement 
procedure. See the control pod fiber 
diagram on the Tables & Graphics tab.
Coast (Motor Side Inverter). 
Additional Fault Action. Fault opens 
main circuit breaker: Yes. Fault can 
automatically reset: No. Emergency 
override response: Cannot override 
this fault.
0
Resettable 
Fault
232 FdbkMsg Fiber 1
Feedback Msg Timeout Fiber 1. 
Transmission of the feedback message 
from M1 PLI transitioned from online to 
offline.
Power down and then check the fiber-
optic communication connection 
between the fiber interface circuit board 
and M1 PLI for damage. Replace the 
fiber-optic cable and/or fiber transceiver 
circuit board if needed. See the 
hardware service manual, publication 
750-TG100 for PowerFlex 755T or 
publication 750-TG101 for PowerFlex 
755TS products, for the replacement 
procedure. See the control pod fiber 
diagram on the Tables & Graphics tab.
Coast (Motor Side Inverter). 
Additional Fault Action. Fault opens 
main circuit breaker: Yes. Fault can 
automatically reset: No. Emergency 
override response: Cannot override 
this fault.
0
Resettable 
Fault
233 FdbkMsg Fiber 2
Feedback Msg Timeout Fiber 2. 
Transmission of the feedback message 
from M2 PLI transitioned from online to 
offline.
Power down and then check the fiber-
optic communication connection 
between the fiber interface circuit board 
and M2 PLI for damage. Replace the 
fiber-optic cable and/or fiber transceiver 
circuit board if needed. See the 
hardware service manual, publication 
750-TG100 for PowerFlex 755T or 
publication 750-TG101 for PowerFlex 
755TS products, for the replacement 
procedure. See the control pod fiber 
diagram on the Tables & Graphics tab.
Coast (Motor Side Inverter). 
Additional Fault Action. Fault opens 
main circuit breaker: Yes. Fault can 
automatically reset: No. Emergency 
override response: Cannot override 
this fault.
0
Resettable 
Fault
234 FdbkMsg Fiber 3
Feedback Msg Timeout Fiber 3. 
Transmission of the feedback message 
from M3 PLI transitioned from online to 
offline.
Power down and then check the fiber-
optic communication connection 
between the fiber interface circuit board 
and M3 PLI for damage. Replace the 
fiber-optic cable and/or fiber transceiver 
circuit board if needed. See the 
hardware service manual, publication 
750-TG100 for PowerFlex 755T or 
publication 750-TG101 for PowerFlex 
755TS products, for the replacement 
procedure. See the control pod fiber 
diagram on the Tables & Graphics tab.
Coast (Motor Side Inverter). 
Additional Fault Action. Fault opens 
main circuit breaker: Yes. Fault can 
automatically reset: No. Emergency 
override response: Cannot override 
this fault.
0
Resettable 
Fault
235 FdbkMsg Fiber 4
Feedback Msg Timeout Fiber 4. 
Transmission of the feedback message 
from M4 PLI transitioned from online to 
offline.
Power down and then check the fiber-
optic communication connection 
between the fiber interface circuit board 
and M4 PLI for damage. Replace the 
fiber-optic cable and/or fiber transceiver 
circuit board if needed. See the 
hardware service manual, publication 
750-TG100 for PowerFlex 755T or 
publication 750-TG101 for PowerFlex 
755TS products, for the replacement 
procedure. See the control pod fiber 
diagram on the Tables & Graphics tab.
Coast (Motor Side Inverter). 
Additional Fault Action. Fault opens 
main circuit breaker: Yes. Fault can 
automatically reset: No. Emergency 
override response: Cannot override 
this fault.
0
Resettable 
Fault
236 FdbkMsg Fiber 5
Feedback Msg Timeout Fiber 5. 
Transmission of the feedback message 
from M5 PLI transitioned from online to 
offline.
Power down and then check the fiber-
optic communication connection 
between the fiber interface circuit board 
and M5 PLI for damage. Replace the 
fiber-optic cable and/or fiber transceiver 
circuit board if needed. See the 
hardware service manual, publication 
750-TG100 for PowerFlex 755T or 
publication 750-TG101 for PowerFlex 
755TS products, for the replacement 
procedure. See the control pod fiber 
diagram on the Tables & Graphics tab.
Coast (Motor Side Inverter). 
Additional Fault Action. Fault opens 
main circuit breaker: Yes. Fault can 
automatically reset: No. Emergency 
override response: Cannot override 
this fault.
Table 7 — Fault Codes by Port (cont)
PORT
CONDITION
DISPLAY
TEXT
FAULT ACTION FAULT ACTION
TYPE CODE