63
14
Resettable
Fault
14116 Fan UdrTemp Flt
Fan Under Temperature Fault. Power
module intake air has fallen below the
fault temperature (–25°C). See the
corresponding parameter in Port 14 [Ln
Meas Amb Tmp].
Verify that the ambient temperature is
within specification. See the technical
data, publication 750-TD100.
Coast (Motor Side Inverter). Stop
(Line Side Converter). Additional
Fault Action. Fault opens main circuit
breaker: No. Fault can automatically
reset: No. Emergency override
response: 0:455 [Emerg Prot OVRD]
bit 7 ‘Board Faults’.
14
Resettable
Fault
14118 CapResonance Flt
Capacitor Over Resonance. The
capacitor current in the range of resonant
frequencies is greater than the fault
threshold.
Review practices for sizing a
transformer in publication DRIVES-
AT005. If this event occurs while the
Line Side Converter is modulating, then
the configuration and tuning of the Line
Side Converter may be causing the
resonance. Consider reducing the
bandwidth of voltage and current
regulators. See parameters 13:55 [Volt
Reg BW], 13:75 [Curr Reg BW]. If this
event occurs while the Line Side
Converter is not modulating, then
equipment that shares the source of
AC power may be causing the
resonance. Consider changing the
power distribution scheme or installing
an isolation transformer or line reactor.
Also consider using the Energy Pause
function to disconnect the Line Side
Converter from the AC source when
not needed. Power down, then replace
the filter capacitor. See the hardware
service manual, publication 750-
TG100, for the replacement procedure.
Then reset the filter capacitor life
parameter.
Coast (Motor Side Inverter). Stop
(Line Side Converter). Additional
Fault Action. Fault opens main circuit
breaker: Yes. Fault can automatically
reset: No. Emergency override
response: Cannot override this fault.
14
Resettable
Fault
14119 Reactor OT Fault
Reactor Over Temperature Fault. An over
temperature event has occurred in the
reactor of the LCL filter. High temperature
caused the thermal switch to open.
Check cabinet filters, heatsink fans,
intake air temperatures, and the baffles
that help prevent recirculation of heated
air. Check the condition of cabinet air
filters and fans. Verify adequate airflow
and the baffles that help prevent
recirculation of heated air.
Coast (Motor Side Inverter). Stop
(Line Side Converter). Additional
Fault Action. Fault opens main circuit
breaker: No. Fault can automatically
reset: No. Emergency override
response: 0:455 [Emerg Prot OVRD]
bit 1 ‘LS Pwr Flts’.
14
Resettable
Fault
14120 PCC Fail To Cls
PCC Failed to Close. The precharge
contactor (PCC) did not close within 1.5
seconds of being commanded.
Power down and check the wiring in
the AC precharge module. If wiring is
correct and fault reoccurs, replace the
precharge contactor. See the hardware
service manual, publication 750-
TG100, for the replacement procedure.
Then reset the PCC elapsed life
parameter.
Coast (Motor Side Inverter). Stop
(Line Side Converter). Additional
Fault Action. Fault opens main circuit
breaker: Yes. Fault can automatically
reset: No. Emergency override
response: Cannot override this fault.
14
Resettable
Fault
14121 PCC Fail To Opn
PCC Failed to Open. The precharge
contactor (PCC) did not open with 1.5
seconds of being commanded.
Power down and check the wiring in
the AC precharge module. If wiring is
correct and fault reoccurs, replace the
precharge contactor. See the hardware
service manual, publication 750-
TG100, for the replacement procedure.
Then reset the PCC elapsed life
parameter.
Coast (Motor Side Inverter). Stop
(Line Side Converter). Additional
Fault Action. Fault opens main circuit
breaker: Yes. Fault can automatically
reset: No. Emergency override
response: 0:455 [Emerg Prot OVRD]
bit 1 ‘LS Pwr Flts’.
14
Resettable
Fault
14122 PCC Aux Mismatch
PCC Aux Mismatch. The auxiliary contact
for the precharge contactor (PCC) is not
functioning properly.
Power down and check the wiring in
the AC precharge module. If wiring is
correct and fault reoccurs, replace the
precharge contactor. See the hardware
service manual, publication 750-
TG100, for the replacement procedure.
Then reset the PCC elapsed life
parameter.
Coast (Motor Side Inverter). Stop
(Line Side Converter). Additional
Fault Action. Fault opens main circuit
breaker: Yes. Fault can automatically
reset: No. Emergency override
response: Cannot override this fault.
14
Resettable
Fault
14123 MCB Trip Reset
MCB Trip Reset. The main circuit breaker
(MCB) bell alarm switch (an indication for
over current) could not be reset.
Cycle power. If fault persists, replace
the CB1 main circuit breaker. See the
hardware service manual, publication
750-TG100, for the replacement
procedure.
Coast (Motor Side Inverter). Stop
(Line Side Converter). Additional
Fault Action. Fault opens main circuit
breaker: Yes. Fault can automatically
reset: No. Emergency override
response: Cannot override this fault.
14
Resettable
Fault
14124 MCB Overcurrent
MCB Overcurrent. The main circuit
breaker (MCB) opened due to over
current (MCB bell alarm).
—
Coast (Motor Side Inverter). Stop
(Line Side Converter). Additional
Fault Action. Fault opens main circuit
breaker: Yes. Fault can automatically
reset: No. Emergency override
response: Cannot override this fault.
14
Resettable
Fault
14126 AC Line Ovr Vltg
AC Line Over Voltage. The voltage of the
incoming AC line exceeded the
maximum.
Verify input voltage is within
specification. See 750-TD100.
Coast (Motor Side Inverter). Stop
(Line Side Converter). Additional
Fault Action. Fault opens main circuit
breaker: No. Fault can automatically
reset: No. Emergency override
response: 0:455 [Emerg Prot OVRD]
bit 1 ‘LS Pwr Flts’.
Table 7 — Fault Codes by Port (cont)
PORT
CONDITION
DISPLAY
TEXT
FAULT ACTION FAULT ACTION
TYPE CODE
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