26
nn094 SafetyPwrOff Err nn212 Ch1 AnalLim Err nn237 Ch1 SendCurr Err nn263 Ch1 EPROM Error nn304 Ch1 RefPoint Alm
nn100 Ch0 FreqExc Alm nn213 Ch1 Int I2C Err nn238 Ch1 EncTemp Err nn264 Ch1 ROM Error nn308 Ch1 General Alm
nn101 Ch0 TempExc Alm nn214 Ch1 IntChksm Err nn239 Ch1 Speed Err nn266 Ch1 No Position nn315 Ch1 Optics Alarm
nn102 Ch0 LightLim Alm nn215 Ch1 PrgmResetErr nn240 Ch1 General Err nn281 Ch1 Msg Cheksum nn316 Ch1 OutOfRailAlm
nn103 Ch0 Battery Alm nn216 Ch1 CntOvrflwErr nn244 Ch1 FieldSizeErr nn282 Ch1 Timeout nn412 Hardware Err
nn104 Ch0 RefPoint Alm nn217 Ch1 Parity Err nn246 Ch1 LED Curr Err nn283 Ch1 Comm nn413 Firmware Err
nn108 Ch0 General Alm nn218 Ch1 Chksum Err nn247 Ch1 ExMulTurnErr nn284 Ch1 Diagnostic nn416 EncOut Cflct
nn115 Ch0 Optics Alarm nn219 Ch1 InvCmd Err nn248 Ch1 PsnCode Err nn285 Ch1 SpplyVltgRng nn417 Safety Cflct
nn116 Ch0 OutOfRailAlm nn220 Ch1 SendSize Err nn249 Ch1 Config Err nn286 Ch1 SC Amplitude nn420 FB0FB1 Cflct
nn200 Ch1 LightSrc Err nn221 Ch1 CmdArgmt Err nn250 Ch1 PsnVal Err nn287 Ch1 Open Wire nn421 Initializing
nn201 Ch1 SigAmp Err nn222 Ch1 InvWrtAdrErr nn251 Ch1 SerialComErr nn288 Ch1 Quad Loss nn534 Pri VelFdbk Loss
nn202 Ch1 PsnVal Err nn223 Ch1 AccCode Err nn252 Ch1 Ext Failure nn289 Ch1 Phase Loss nn535 Alt VelFdbk Loss
nn203 Ch1 OverVolt Err nn225 Ch1 Address Err nn253 Ch1 Temp Exc Err nn290 Ch1 Unsupp Enc nn536 Aux VelFdbk Loss
nn204 Ch1 UndVolt Err nn226 Ch1 FieldAcc Err nn256 Ch1 OutOfRailErr nn300 Ch1 FreqExc Alm nn537 Pri PsnFdbkLoss
nn205 Ch1 OverCur Err nn228 Ch1 SiTurnPsnErr nn260 Ch1 Read Head 1 nn301 Ch1 TempExc Alm nn538 Alt PsnFdbkLoss
nn206 Ch1 Battery Err nn229 Ch1 MulTrnPsnErr nn261 Ch1 Read Head 2 nn302 Ch1 LightLim Alm nn999 System Comm Loss
nn209 Ch1 AnalSig Err nn236 Ch1 AnalVal Err nn262 Ch1 RAM Error nn303 Ch1 Battery Alm nn999 Bkplane Comm
nn210 Ch1 IntOfst Err
Table 7 — Fault Codes by Port
PORT
CONDITION
DISPLAY
TEXT
FAULT ACTION FAULT ACTION
TYPE CODE
0
Resettable
Fault
1 Auxiliary Input
Auxiliary Input. The auxiliary fault digital
input is open or reset.
Determine where the Auxiliary input
function is assigned using parameter
0:115 [DI Aux fault]. Verify that this
assigned input is not open or reset.
Coast (Motor Side Inverter). Stop
(Line Side Converter). Additional
Fault Action. Fault opens main circuit
breaker: No. Fault can automatically
reset: Yes. Emergency override
response: 0:455 [Emerg Prot OVRD]
bit 4 ‘PERIF Flts’
0
Resettable
Fault
2 Sys Default Fail
System Reset to Defaults Failure. A
command to reset parameter defaults has
failed. The values of some parameters
have not been changed.
Verify an I/O connection is not
established to the drive. For example, a
PLC is communicating with the drive.
Additional Fault Action. Fault opens
main circuit breaker: No. Fault can
automatically reset: No. Emergency
override response: Cannot override
this fault.
0
Resettable
Fault
15 AuRsts Exhausted
Auto Restarts Exhausted. The drive
unsuccessfully attempted to reset a fault
and resume running for the programmed
number of tries.
Determine why the Auto Restart
function expired. Examine the fault
queue for which fault was unable to
reset and troubleshoot that fault.
Coast (Motor Side Inverter). Stop
(Line Side Converter). Additional
Fault Action. Fault opens main circuit
breaker: No. Fault can automatically
reset: Yes. Emergency override
response: Cannot override this fault.
0
Resettable
Fault
17 CPU OverTemp Flt
CPU Over Temperature Fault. The
temperature of the main microprocessor
(CPU) on the main control board has
exceeded the fault threshold (107°C).
See Diagnostic item 77 ‘MPU Temp C’ in
Port 0.
Verify adequate airflow and the
ambient temperature is within
specification. See the technical data,
publication 750-TD100 for PowerFlex
755T or 750-TD104 for PowerFlex
755TS products. Check whether the
control pod fans are functioning
properly.
Coast (Motor Side Inverter). Stop
(Line Side Converter). Additional
Fault Action. Fault opens main circuit
breaker: No. Fault can automatically
reset: Yes. Emergency override
response: 0:455 [Emerg Prot OVRD]
bit 7 ‘Board Faults’.
0
Resettable
Fault
18 System Defaulted
System Defaulted. A command to reset
parameter defaults on all ports has been
executed. See code 27 ‘Module
Defaulted’ for reset of a single port.
Normal operation when parameters are
defaulted.
Additional Fault Action. Fault opens
main circuit breaker: N/A. Fault can
automatically reset: No. Emergency
override response: Cannot override
this fault.
0
Resettable
Fault
23 Board OT Fault
Control Board Overtemperature Fault.
The temperature of the main control
board has exceeded the fault threshold,
which differs based on product:
• The fault threshold is 90°C for
PowerFlex 755TR, 755TL, and
755TM products and for 755TS
products with the control pod fan on.
• The fault threshold is 80°C for
PowerFlex 755TS products with the
control pod fan off.
Possible causes include high ambient
temperature and obstructed airflow. The
control pod temperature is reported by
parameter 0:25 [Ctrl Pod Temp].
Verify adequate airflow and the
ambient temperature is within
specification. See the technical data,
publication 750-TD100 for PowerFlex
755T or 750-TD104 for PowerFlex
755TS products. Check the condition of
cabinet air filters.
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’.
0
Resettable
Fault
25 Board UT Fault
Control Board Undertemperature Fault.
The temperature of the main control
board has fallen below the fault
temperature (–25°C). Possible causes
include low ambient temperature. The
control pod temperature is reported by
parameter 0:25 [Ctrl Pod Temp].
Verify that the ambient temperature is
within specification. See the technical
data, publication 750-TD100 for
PowerFlex 755T or 750-TD104 for
PowerFlex 755TS products.
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’.
Table 6 — Fault Codes by Number (cont)
CODE NAME
CODE NAME
CODE NAME
CODE NAME
CODE NAME
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