38
0
Resettable 
Fault
237 FdbkMsg Fiber 6
Feedback Msg Timeout Fiber 6. 
Transmission of the feedback message 
from M6 PLI transitioned from online to 
offline.
Power down and then check the fiber-
optic communication connection 
between the fiber interface circuit board 
and M6 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
238 FdbkMsg Fiber 7
Feedback Msg Timeout Fiber 7. 
Transmission of the feedback message 
from M7 PLI transitioned from online to 
offline.
Power down and then check the fiber-
optic communication connection 
between the fiber interface circuit board 
and M7 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
239 FdbkMsg Fiber 8
Feedback Msg Timeout Fiber 8. 
Transmission of the feedback message 
from M8 PLI transitioned from online to 
offline.
Power down and then check the fiber-
optic communication connection 
between the fiber interface circuit board 
and M8 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
240 FdbkMsg Fiber 9
Feedback Msg Timeout Fiber 9. 
Transmission of the feedback message 
from M9 PLI transitioned from online to 
offline.
Power down and then check the fiber-
optic communication connection 
between the fiber interface circuit board 
and M9 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
241 FdbkMsg Fiber 10
Feedback Msg Timeout Fiber 10. 
Transmission of the feedback message 
from L0 PLI transitioned from online to 
offline.
Power down and then check the fiber-
optic communication connection 
between the fiber interface circuit board 
and L0 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
242 FdbkMsg Fiber 11
Feedback Msg Timeout Fiber 11. 
Transmission of the feedback message 
from L1 PLI transitioned from online to 
offline.
Power down and then check the fiber-
optic communication connection 
between the fiber interface circuit board 
and L1 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
243 FdbkMsg Fiber 12
Feedback Msg Timeout Fiber 12. 
Transmission of the feedback message 
from L2 PLI transitioned from online to 
offline.
Power down and then check the fiber-
optic communication connection 
between the fiber interface circuit board 
and L2 PLI for damage. Replace the 
fiber-optic cable and/or fiber transceiver 
circuit board if needed. 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