Lenze sm vector Drive

Lenze sm vector Drive Fault Codes:

Fault Code and MeaningCause and Remedy
F_AF
High Temperature fault
Cause:

Drive is too hot inside



Remedy:


  • Reduce drive load

  • Improve cooling
F_AL
Assertion Level fault
Cause:


  • Assertion Level switch is changed during operation

  • P120 is changed during operation

  • P100 or P121…P124 are set to a value other than 0 and P120 does not match the Assertion Level Switch.





Remedy:

Make sure the Assertion Level switch and P120 are both set for the type of input devices being used, prior to setting P100 or P121…P124.

Refer to 3.2.3 and P120.
F_bF
Personality fault
Cause:

Drive Hardware



Remedy:


  • Cycle Power

  • Power down and install EPM with valid data

  • Reset the drive back to defaults (P199 = 3, 4) and then re-program

  • If problem persists, contact factory technical support
F_cF
Control fault
Cause:

An EPM has been installed that is either blank or corrupted



Remedy:


  • Power down and install EPM with valid data

  • Reset the drive back to defaults (P199 = 3, 4) and then re-program

  • If problem persists, contact factory technical support
F_cF
Incompatible EPM fault
Cause:

An EPM has been installed that contains data from an incompatible parameter version



Remedy:

If problem persists, contact factory technical support
F_dbF
Dynamic Braking fault
Cause:

Dynamic braking resistors are overheating



Remedy:


  • Increase active decel time (P105, P126, P127).

  • Check mains voltage and P107
F_EF
External fault
Cause:


  • P121…P124 = 21 and that digital input has been opened.

  • P121…P124 = 22 and that digital input has been closed.





Remedy:


  • Correct the external fault condition

  • Make sure digital input is set properly for NC or NO circuit
F_F1
EPM fault
Cause:

EPM missing or defective



Remedy:

Power down and replace EPM
F_F2 … F_F12
Internal faults
Cause:

Internal faults



Remedy:

Contact factory technical support
F_Fnr
Control Configuration Fault
Cause:


  • The drive is setup for REMOTE KEYPAD control (P100=2 or 5) but is not setup to communicate with a remote keypad

  • The drive is setup for NETWORK ONLY control (P100=3) but is not setup for network communications





Remedy:


  • Set P400 = 1, or P600 = 1

  • Set P400 or P600 to a valid network communications protocol selection
F_FoL
Loss of 4-20 mA signal fault
Cause:

4-20 mA signal (at TB-25) is below 2 mA (P163 = 1)



Remedy:

Check signal/signal wire
F_GF
OEM Defaults data fault
Cause:

Drive is powered up with P199 =1 and OEM settings in the EPM are not valid.



Remedy:

Install an EPM containing valid OEM Defaults data or change P199 to 0.
F_HF
High DC Bus Voltage fault
Cause:


  • Mains voltage is too high

  • Decel time is too short, or too much regen from motor





Remedy:


  • Check mains voltage and P107

  • Increase active decel time (P105, P126, P127) or install Dynamic Braking option
F_IL
Digital Input Configuration fault (P121…P124)
Cause:


  • More than one digital input set for the same function

  • Only one digital input configured for MOP function (Up, Down)

  • PID mode is entered with setpoint reference and feedback source set to the same analog signal

  • One of the digital inputs (P121…P124) is set to 10 and another is set to 11…14.

  • One of the digital inputs (P121…P124) is set to 11 or 12 and another is set to 13 or 14.

  • PID enabled in Vector Torque mode (P200 = 1 or 2 and P300 = 5)





Remedy:


  • Each setting can only be used once (except settings 0 and 3)

  • One input must be set to MOP Up, another must be set to MOP Down

  • Change PID setpoint reference (P121…P124) or feedback source (P201).

  • Reconfigure digital inputs

  • PID cannot be used in Vector Torque mode
F_JF
Remote keypad fault
Cause:

Remote keypad disconnected



Remedy:

Check remote keypad connections
F_LF
Low DC Bus Voltage fault
Cause:

Mains voltage too low



Remedy:

Check mains voltage
F_nId
No Motor ID fault
Cause:

An attempt was made to start the drive in Vector or Enhanced V/Hz mode prior to performing the Motor Auto-calibration



Remedy:

See P300…P399 for Drive Mode setup and calibration.
F_ntF
Module communication fault
Cause:

Communication failure between drive and Network Module.



Remedy:

Check module connections
F_nF1 … F_nF9
Network Faults
Cause:

Refer to the module documentation for Causes and Remedies.



Remedy:

Refer to the module documentation.
F_OF
Output fault: Transistor fault
Cause:


  • Output short circuit

  • Acceleration time too short

  • Severe motor overload (Mechanical problem, Drive/motor too small)

  • Boost values too high

  • Excessive capacitive charging current of the motor cable

  • Failed output transistor





Remedy:


  • Check motor/motor cable

  • Increase P104, P125

  • Check machine / system

  • Verify drive/motor are proper size for application

  • Decrease P168, P169

  • Use shorter motor cables with lower charging current

  • Use low capacitance motor cables

  • Install reactor between motor and drive.

  • Contact factory technical support
F_OF1
Output fault: Ground fault
Cause:


  • Grounded motor phase

  • Excessive capacitive charging current of the motor cable





Remedy:


  • Check motor and motor cable

  • Use shorter motor cables with lower charging current
F_PF
Motor Overload fault
Cause:

Excessive motor load for too long



Remedy:


  • Verify proper setting of P108

  • Verify drive and motor are proper size for application
F_rF
Flying Restart fault
Cause:

Controller was unable to synchronize with the motor during restart attempt; (P110 = 5 or 6)



Remedy:

Check motor / load
F_SF
Single-Phase fault
Cause:

A mains phase has been lost



Remedy:

Check mains voltage
F_UF
Start fault
Cause:

Start command was present when power was applied (P110 = 0 or 2).



Remedy:


  • Must wait at least 2 seconds after power-up to apply Start command

  • Consider alternate starting method (refer to P110).