750
520
4m
4/40
Drives
PowerFlex 750
Manual(s): PowerFlex 753/755

The PowerFlex 750 series drives are for large Hp motors. The Display group can be used for both monitoring the heath of the motor and drive or to troubleshooting problems that occur. The Parameters group is used to configure drive operations. The Fault group is used to translate codes given by the drive when problems are detected.

Code Displayed Value Description
B001 Output Frequency Output frequency present at T1, T2 & T3 (U, V & W). Does not include slip frequency.
B002 Command Frequency Value of the active frequency command. Displays the commanded frequency even if the drive is not running.
B003 Output Current The output current present at T1, T2 & T3 (U, V & W).
B004 Output Voltage Output voltage present at terminals T1, T2 & T3 (U, V & W).
B005 DC Bus Voltage Filtered DC bus voltage level.
B006 Drive Status Present operating condition of the drive
B007 Fault 1 Code A code that represents a drive fault. The codes will appear in these parameters in the order they occur (B007 [Fault 1 Code] = the most recent fault). Repetitive faults will only be recorded once.
B008 Fault 2 Code
B009 Fault 3 Code
B010 Process Display Output frequency scaled by A481[Process Disp Lo] and A482 [Process Disp Hi].
B012 Control Source Active source of the Start Command and Frequency Command. Normally defined by the settings of P046, P048, P050 [Start Source x] and P047, P049, P051 [Speed Referencex].
B013 Contrl In Status
State of the digital terminal blocks 1...3 and DB transistor.
Important: Actual control commands may come from a source other than the control terminal block.
B014 Dig In Status State of the programmable digital inputs.
B015 Output RPM Current output frequency in rpm. Scale is based on P035 [Motor NP Poles].
B016 Output Speed Current output frequency in %. Scale is 0% at 0.00 Hz to 100% at P044 [Maximum Freq]
B017 Output Power Output power present at T1, T2 & T3 (U, V & W).
B018 Power Saved Instantaneous power savings of using this drive compared to an across the line starter.
B019 Elapsed Run time Accumulated time drive is outputting power. Time is displayed in 10 hour increments.
B020 Average Power Average power used by the motor since the last reset of the meters.
B021 Elapsed kWh Accumulated output energy of the drive. When the maximum value of this parameter is reached, it resets to zero and b022 [Elapsed MWh] is incremented.
B022 Elapsed MWh Accumulated output energy of the drive.
B023 Energy Saved Total energy savings of using this drive compared to an across the line starter since the last reset of the meters.
B024 Accum kWh Sav Total approximate accumulated energy savings of the drive compared to using an across the line starter.
B025 Accum Cost Sav
Total approximate accumulated cost savings of the drive compared to using an across the line starter.
[Accum Cost Sav] = [Average kWh cost] x [Accum kWh Sav]
B026 Accum CO2 Sav Total approximate accumulated CO2 savings of the drive compared to using an across the line starter.
B027 Drive Temp Present operating temperature of the drive heatsink (inside module).
B028 Control Temp Present operating temperature of the drive control.
B029 Control SW Ver Current drive firmware version.
Code Parameter Description Values
P030 Language Selects the language displayed. A reset or power cycle is required after selection is made.
1 English (Default)	9 Reserved
2 Français              10 Reserved
3 Español               11 Korean
4 Italiano              12 Polish
5 Deutsch               13 Reserved
6 Japanese              14 Turkish
7 Português             15 Czech
8 Chinese Simplified
P031 Motor NP Volts Set to the motor nameplate rated volts
Default: Drive Rated Volts
Min/Max: 10V (for 230V Drives), 20V (for 460V Drives), 
	 25V (for 600V Drives)/Drive Rated Volts
Display: 1V
P032 Motor NP Hertz Set to the motor nameplate rated frequency.
Default: 60 Hz
Min/Max: 15/500 Hz
Display: 1 Hz
P033 Motor OL Current Set to the maximum allowable motor current.
Default: Based on Drive Rating
Min/Max: 0.0/(Drive Rated Amps × 2)
Display: 0.1 Amps
P034 Motor NP FLA Sets the motor nameplate FLA. Used to assist the Autotune routine and motor control.
Default: Based on Drive Rating
Min/Max: 0.1/(Drive Rated Amps x 2)
Display: 0.1 A
P035 Motor NP Poles Sets the number of poles in the motor.
Default: 4
Min/Max: 2/40
Display: 1
P036 Motor NP RPM Sets the rated nameplate rpm of the motor. Used to calculate the rated slip of the motor. To reduce the slip frequency, set this parameter closer to the motor synchronous speed.
Default: 1750 rpm
Min/Max: 0/24000 rpm
Display: 1 rpm
P037 Motor NP Power Sets the motor nameplate power. Used in PM regulator.
Default: Drive Rated Power
Min/Max: 0.00/Drive Rated Power
Display: 0.01 kW
P038 Voltage Class Sets the voltage class of 600V drives. Only applicable to 600V drives.
2 “480V”
3 “600V” (Default)
P039 Torque Perf Mode Selects the motor control mode.
0 “V/Hz”
1 “SVC” (Default)
2 “Economize”
3 “Vector”
4 “PM Control”
P040 Autotune Enables a static (not spinning) or dynamic (motor spinning) autotune to automatically set the motor parameters. Set the parameter value to a one or two, then issue a valid “Start” command to begin the routine. After the routine is complete the parameter resets to a zero. A failure (such as if a motor is not connected) results in an Autotune Fault. It is recommended to perform a full rotate tune when using VVC mode.
0 “Ready/Idle” (Default)
1 “Static Tune”		Used when motor cannot be uncoupled from the load.
2 “Rotate Tune”		Used when motor is uncoupled from the load. 
			Results may not be valid if a load is coupled to the motor during 
			this procedure.

P041 Accel Time 1 Sets the time for the drive to accelerate from 0 Hz to P044 [Maximum Freq].
Default: 10.00 s
Min/Max: 0.00/600.00 s
Display: 0.01 s
P042 Decel Time 1 Sets the time for the drive to decelerate from P044 [Maximum Freq] to 0 Hz.
Default: 10.00 s
Min/Max: 0.00/600.00 s
Display: 0.01 s
P043 Minimum Freq Sets the lowest frequency the drive outputs.
Default: 0.00 Hz
Min/Max: 0.00/500.00 Hz
Display: 0.01 Hz
P044 Maximum Freq Sets the highest frequency the drive outputs.
Default: 60.00 Hz
Min/Max: 0.00/500.00 Hz
Display: 0.01 Hz
P045 Stop Mode Determines the stopping mode used by the drive when a stop is initiated.
0 “Ramp, CF” (Default)	Ramp to Stop. Stop command clears active fault.
1 “Coast, CF” 		Coast to Stop. Stop command clears active fault.
2 “DC Brake, CF” 	DC Injection Braking Stop. Stop command clears active fault.
3 “DC BrkAuto,CF” 	DC Injection Braking Stop with Auto Shutoff. 
			• Standard DC Injection Braking for value set in A434 [DC Brake Time].
			OR
			• Drive shuts off if the drive detects that the motor is stopped.
			  Stop command clears active fault.
4 “Ramp” 		Ramp to Stop.
5 “Coast” 		Coast to Stop.
6 “DC Brake” 		DC Injection Braking Stop.
7 “DC BrakeAuto” 	DC Injection Braking Stop with Auto Shutoff.
			• Standard DC Injection Braking for value set in A434 [DC Brake Time].
			OR
			• Drive shuts off if the drive detects that the motor is stopped.
8 “Ramp+EM B,CF” 	Ramp to Stop with EM Brake Control. Stop command clears active fault.
9 “Ramp+EM Brk” 	Ramp to Stop with EM Brake Control.
10 “PointStp,CF” 	PointStop. Stop command clears
			active fault.
11 “PointStop” 		PointStop
P046 Start Source 1 Configures the start source of the drive. Changes to these inputs take effect as soon as they are entered. P046 [Start Source 1] is the factory default start source unless overridden.
1 “Keypad” 		[Start Source 1] default
2 “DigIn TrmBlk” 	[Start Source 2] default
3 “Serial/DSI” 		[Start Source 3] default for PowerFlex 523
4 “Network Opt”
5 “EtherNet/IP” 	[Start Source 3] default for PowerFlex 525
P048 Start Source 2
P050 Start Source 3
P047 Speed Reference1 Selects the source of speed command for the drive. Changes to these inputs take effect as soon as they are entered. P047 [Speed Reference1] is the factory default speed reference unless overridden.
1 “Drive Pot” 		[Speed Reference1] default
2 “Keypad Freq”
3 “Serial/DSI” 		[Speed Reference3] default for PowerFlex 523
4 “Network Opt”
5 “0-10V Input” 	[Speed Reference2] default
6 “4-20mA Input”
7 “Preset Freq”
8 “Anlg In Mult”
9 “MOP”
10 “Pulse Input”
11 “PID1 Output”
12 “PID2 Output”
13 “Step Logic”
14 “Encoder”
15 “EtherNet/IP” 	[Speed Reference3] default for PowerFlex 525
16 “Positioning” 	Referencing from A558 [Positioning Mode]
P049 Speed Reference2
P051 Speed Reference3
P052 Average kWh Cost Sets the average cost per kWh.
Default: 0.00
Min/Max: 0.00/655.35
Display: 0.01
P053 Reset To Defalts Resets all parameters to their factory default values.
0 “Ready/Idle” (Default)
1 “Param Reset” 	  Does not reset custom groups, parameter P030 [Language], 
			  and communication parameters.
2 “Factory Rset” 	  Restore drive to factory condition.
3 “Power Reset” 	  Resets only power parameters. 
			  Can be used when swapping power modules.
4 “Module Reset” 	  Power cycle of the drive, NO parameters are reset.
Code Fault Description Action
F000 No Fault No fault present. -
F002 Auxiliary Input External trip (Auxiliary) input.
• Check remote wiring.
• Verify communications programming for intentional fault
F003 Power Loss Single phase operation detected with excessive load.
• Monitor the incoming line for phase loss or line imbalance.
• Check input line fuse.
• Reduce load.
F004 UnderVoltage DC bus voltage fell below the minimum value. Monitor the incoming AC line for low voltage or line power interruption
F005 OverVoltage DC bus voltage exceeded maximum value.
Monitor the AC line for high line voltage or transient conditions. 
Bus overvoltage can also be caused by motor regeneration. 
Extend the decel time or install dynamic brake option.
F006 Motor Stalled Drive is unable to accelerate motor or decelerate motor.
• Increase P041, A442, A444, A446 [Accel Time x] or reduce load so drive
  output current does not exceed the current set by parameter A484, A485
  [Current Limit x] for too long.
• Check for overhauling load.
F007 Motor Overload Internal electronic overload trip.
1. An excessive motor load exists. Reduce load so drive output current 
   does not exceed the current set by parameter P033 [Motor OL Current].
2. Verify A530 [Boost Select] setting
F008 Heatsink OvrTmp Heatsink/Power Module temperature exceeds a predefined value.
• Check for blocked or dirty heat sink fins. Verify that ambient 
  temperature has not exceeded 40°C (104°F) for IP30, NEMA UL 
  Type 1 installations or 50°C (122°F) for IP20/Open type installations.
• Check fan.
F009 CC OvrTmp Control module temperature exceeds a predefined value.
• Check product ambient temperature.
• Check for airflow obstruction.
• Check for dirt or debris.
• Check fan.
F012 HW OverCurrent The drive output current has exceeded the hardware current limit.
Check programming. Check for excess load, improper A530 [Boost Select] setting, 
DC brake volts set too high or other causes of excess current
F013 Ground Fault A current path to earth ground has been detected at one or more of the drive output terminals. Check the motor and external wiring to the drive output terminals for a grounded condition.
F015 Load Loss
The output torque current is below the
value programmed in A490 [Load Loss
Level] for a time period greater than the
time programmed in A491 [Load Loss
Time].
• Verify connections between motor and load.
• Verify level and time requirements
F021 Output Ph Loss
Output Phase Loss (if enabled).
Configure with A557 [Out Phas Loss En].
• Verify motor wiring.
• Verify motor.
F029 Analog Input Loss
An analog input is configured to fault on
signal loss. A signal loss has occurred.
Configure with t094 [Anlg In V Loss] or
t097 [Anlg In mA Loss].
• Check for broken/loose connections at inputs.
• Check parameters.
F033 Auto Rstrt Tries Drive unsuccessfully attempted to reset a fault and resume running for the programmed number of A541 [Auto Rstrt Tries]. Correct the cause of the fault and manually clear.
F038 Phase U to Gnd A phase to ground fault has been detected between the drive and motor in this phase.
• Check the wiring between the drive and motor.
• Check motor for grounded phase.
• Replace drive if fault cannot be cleared.
F039 Phase V to Gnd
F040 Phase W to Gnd
F041 Phase UV Short Excessive current has been detected between these two output terminals.
• Check the motor and drive output terminal wiring for a shorted condition.
• Replace drive if fault cannot be cleared.
F042 Phase UW Short
F043 Phase VW Short
F048 Params Defaulted The drive was commanded to write default values to EEPROM.
• Clear the fault or cycle power to the drive.                                        
• Program the drive parameters as needed.
F059 Safety Open
Both of the safety inputs (Safety 1,
Safety 2) are not enabled.
Configure with t105 [Safety Open En].
Check safety input signals. If not
using safety, verify and tighten
jumper for I/O terminals S1, S2 and
S+.
F063 SW OverCurrent
Programmed A486, A488 [Shear Pinx
Level] has been exceeded for a time
period greater than the time
programmed in A487, A489 [Shear Pin x
Time].
• Verify connections between motor and load.
• Verify level and time requirements
F064 Drive Overload Drive overload rating has been exceeded. Reduce load or extend Accel Time.
F070 Power Unit Failure has been detected in the drive power section.
• Check maximum ambient temperature has not been exceeded.
• Cycle power.              
• Replace drive if fault cannot be cleared.
F071 DSI Net Loss Control over the Modbus or DSI communication link has been interrupted.
• Cycle power.
• Check communications cabling.
• Check Modbus or DSI setting.
• Check Modbus or DSI status.
F072 Opt Net Loss Control over the network option card’s remote network has been interrupted.
• Cycle power. 
• Check communications cabling. 
• Check network adapter setting. 
• Check external network status.
F073 EN Net Loss Control through the embedded EtherNet/IP adapter has been interrupted.
• Cycle power.
• Check communications cabling.
• Check EtherNet/IP setting.
• Check external network status
F080 SVC Autotune The autotune function was either cancelled by the user or failed. Restart procedure.
F081 DSI Comm Loss Communications between the drive and the Modbus or DSI master device have been interrupted.
• Cycle power.
• Check communications cabling.
• Check Modbus or DSI setting.
• Check Modbus or DSI status.
• Modify using C125 [Comm Loss Action]. 
• Connecting I/O terminals C1 and C2 to ground may improve noise immunity. 
• Replace wiring, Modbus master device, or control module.
F082 Opt Comm Loss Communications between the drive and the network option card have been interrupted.
• Cycle power. 
• Reinstall option card in drive. 
• Modify using C125 [Comm Loss Action].
• Replace wiring, port expander, option card, or control module.
F083 EN Comm Loss Internal communications between the drive and the embedded EtherNet/IP adapter have been interrupted.
• Cycle power. 
• Check EtherNet/IP setting. 
• Check drive’s Ethernet settings and diagnostic parameters. 
• Modify using C125 [Comm Loss Action].
• Replace wiring, Ethernet switch, or control module.
F091 Encoder Loss Requires differential encoder. One of the 2 encoder channel signals is missing.
• Check Wiring.
• If P047, P049, P051 [Speed Referencex] = 16 “Positioning” and A535 [Motor Fdbk Type] = 5
  “Quad Check”, swap the Encoder channel inputs or swap any two motor leads.
• Replace encoder.
F094 Function Loss “Freeze-Fire” (Function Loss) input is inactive, input to the programmed terminal is open
Close input to the terminal and cycle
power.
F100 Parameter Checksum Drive parameter non-volatile storage is corrupted. SSet P053 [Reset To Defalts] to 2 “Factory Rset”.
F101 External Storage External non-volatile storage has failed. Set P053 [Reset To Defalts] to 2 “Factory Rset”
F105 C Connect Err Control module was disconnected while drive was powered. Clear fault and verify all parameter settings. Do not remove or install the control module while power is applied.
F106 Incompat C-P The PowerFlex 525 control module does not support power modules with 0.25 HP power rating.
• Change to a different power module.
• Change to a PowerFlex 523 control module.
F107 Replaced C-P The control module could not recognize the power module. Hardware failure.
• Change to a different power module.
• Replace control module if changing power module does not work.
F109 Mismatch C-P The control module was mounted to a different drive type power module. Set P053 [Reset To Defalts] to 3 “Power Reset”
F110 Keypad Membrane Keypad membrane failure / disconnected.
• Cycle power.
• Replace control module if fault cannot be cleared.
F111 Safety Hardware Safety input enable hardware malfunction. One of the safety inputs is not enabled.
• Check safety input signals. If not using safety, verify and tighten jumper for I/O 
  terminals S1, S2 and S+.
• Replace control module if fault cannot be cleared.
F114 uC Failure Microprocessor failure
• Cycle power. 
• Verify grounding requirements. See General Grounding Requirements on page 20 
  for more information. 
• Replace control module if fault cannot be cleared.
F122 I/O Board Fail Failure has been detected in the drive control and I/O section.
1. Cycle power.   
2. Replace drive if fault cannot be cleared.
F125 Flash Update Req The firmware in the drive is corrupt, mismatched, or incompatible with the hardware.
Perform a firmware flash update operation to attempt to load a valid set of firmware.
F126 NonRecoverablErr A non-recoverable firmware or hardware error was detected. The drive was automatically stopped and reset.
• Clear fault or cycle power to the drive.
• Replace drive or control module if fault cannot be cleared.
F127 DSIFlashUpdatReq A critical problem with the firmware was detected and the drive is running using backup firmware that only supports DSI communications. Perform a firmware flash update operation using DSI communications to attempt to load a valid set of firmware.