Lenze i550 protec Drive

Lenze i550 protec Drive Fault Codes:

Fault Code and MeaningCause and Remedy
8784 (0x2250)

CiA: Continuous over current (internal)
Cause:

  • Continuous overcurrent on the inverter/motor side.

  • Overcurrent at the brake chopper (brake transistor).

  • DC bus relay has not been closed due to a malfunction.




Remedy:

  • Check motor and wiring for short circuits.

  • Check brake resistor and wiring.

  • Check motor switching.

  • Check settings of the motor data.
8992 (0x2320)

Short circuit or earth leakage at the motor end
Cause:

  • Short circuit/earth fault of motor cable.

  • Capacitive charging current of the motor cable too high.




Remedy:

  • Check motor cable.

  • Check length of the motor cable.

  • Use shorter or lower-capacitance motor cable.
9024 (0x2340)

Short circuit at the motor end
Cause:

  • Short circuit of motor cable.




Remedy:

  • Check motor cable for short circuit.
9040 (0x2350)

CiA: i²xt overload (thermal state)
Cause:

  • Motor thermally overloaded, e.g. by an impermissible continuous current or by frequent or too long acceleration processes.




Remedy:

  • Check drive sizing.

  • Check machine/driven mechanics for excessive load.

  • Check settings of the motor data.

  • Reduce values for slip compensation (P315.01, P315.02) and oscillation damping (P318.01, P318.02).
9090 (0x2382)

Fault – Device utilization (ixt) too high
Cause:

  • Device utilisation (ixt) too high by frequent and too long acceleration processes.




Remedy:

  • Check drive sizing.

  • Reduce the maximum current of the inverter (P324.00).

  • In case of high mass inertias, reduce maximum current of the inverter (P324.00) to 150%.
9091 (0x2383)

Warning – Device utilization (ixt) too high
Cause:

  • Device utilisation (ixt) too high by frequent and too long acceleration processes.




Remedy:

  • Check drive dimensioning.
9095 (0x2387)

Clamp responded too often
Cause:

  • Maximum current of the axis has been reached too often in succession.




Remedy:

  • Select a flatter speed ramp.

  • Reduce the load.

  • Set Imax controller more dynamically.
9096 (0x2388)

SL-PSM stall detection active
Cause:

  • Overload of the motor with sensorless control for synchronous motors (SL-PSM).




Remedy:

  • Reduce load at the axis.

  • Check settings of the SL-PSM parameters.
9098 (0x238A)

Maximum current reached
Cause:

  • The actual current (P103.00) is equal to or higher than the max. current (P324.00).




Remedy:

  • Reduce the load on the motor or change the settings for the maximum current (P324.00).
12576 (0x3120)

Mains phase fault
Cause:

  • Mains phase failure.




Remedy:

  • Check wiring of the mains connection.

  • Check fuses.
12672 (0x3180)

UPS operation active
Cause:

  • Operation on uninterrupted 1x230V current supply (UPS) has been activated: Only a reduced output current is provided.




Remedy:

  • Switch back to operation with regular mains voltage.
12816 (0x3210)

Fault – DC bus overvoltage
Cause:

  • DC-bus voltage has exceeded the error threshold for overvoltage due to a too high braking energy or a too high mains voltage.




Remedy:

  • Reduce dynamic performance of the load profile.

  • Check mains voltage.

  • Check settings for brake energy management.

  • Connect brake resistor to the power unit and activate the integrated brake chopper (P706.01 = 0).
12817 (0x3211)

DC bus overvoltage warning
Cause:

  • DC-bus voltage has exceeded the warning threshold due to too high braking energy or too high mains voltage.




Remedy:

  • Reduce dynamic performance of the load profile.

  • Check mains voltage.

  • Check settings for brake energy management.

  • Connect brake resistor and activate integrated brake chopper.
12832 (0x3220)

Fault – DC bus undervoltage
Cause:

  • DC-bus voltage has fallen below the error threshold for undervoltage.




Remedy:

  • Check mains voltage.

  • Check DC-bus voltage (P105.00).

  • Check mains settings.

  • Check fuses.
12833 (0x3221)

DC bus undervoltage warning
Cause:

  • DC-bus voltage has fallen below the warning threshold for undervoltage.




Remedy:

  • Check mains voltage.

  • Check DC-bus voltage (P105.00).

  • Check mains settings.

  • Check fuses.
12834 (0x3222)

DC-bus voltage too low for power up
Cause:

  • The input voltage is too low to switch on the inverter.




Remedy:

  • Check mains voltage.

  • Check mains settings.

  • Check fuses.
16912 (0x4210)

Fault – Power unit overtemperature
Cause:

  • The heatsink temperature of the power unit has exceeded the fixed error threshold (100 °C).

  • Ambient temperature too high.

  • Fan or ventilation slots are polluted.

  • Fan is defective.




Remedy:

  • Provide for a sufficient cooling of the device.

  • Clean fan and ventilation slots. If required, replace fan.

  • Reduce switching frequency (P305.00).
17024 (0x4280)

Fault – Heat sink temperature sensor
Cause:

  • Sensor for the temperature monitoring of the power unit is defective. Risk of overheating.




Remedy:

  • Hardware error: it is necessary to contact the manufacturer, since the device must be replaced.
17025 (0x4281)

Heat sink fan warning
Cause:

  • Warning of the heatsink fan.




Remedy:

  • Clean fan and ventilation slots. If required, replace fan.
17029 (0x4285)

PU overtemperature warning
Cause:

  • The heatsink temperature has exceeded the warning threshold.

  • Ambient temperature too high.

  • Fan or ventilation slots are polluted or fan defective.




Remedy:

  • Provide for a sufficient cooling of the device.

  • Clean fan and ventilation slots.

  • If required, replace fan.
17168 (0x4310)

Motor overtemperature
Cause:

  • The motor temperature sensor measures a too high motor temperature.

  • Motor too hot by impermissibly high currents.

  • Motor too hot by frequent and too long acceleration processes.




Remedy:

  • Check drive dimensioning.

  • Check motor temperature sensor and wiring.
20754 (0x5112)

External supply voltage critical
Cause:

  • External supply voltage failed or too low.




Remedy:

  • Check optional external 24V voltage supply (terminal X3/24E), if connected.

  • Check mains voltage.
20864 (0x5180)

Overload 24 V supply
Cause:

  • Output current at the 24V output or at the digital outputs too high.




Remedy:

  • Check 24V output and digital outputs for earth fault or overload.
21376 (0x5380)

OEM hardware incompatible
Cause:

  • The control unit (OEM hardware) is not compatible with the power unit (OEM hardware).




Remedy:

  • Use compatible hardware.

  • Contact the OEM.
24970 (0x618A)

Warning – Internal fan
Cause:

  • Warning of the internal fan.




Remedy:

  • Check/replace internal fan.
25216 (0x6280)

Trigger/functions connected incorrectly
Cause:

  • The assignment directives have not been observed (e.g., Enable inverter or Run function missing in flexible I/O).

  • Conflict between start functions (CW/CCW).




Remedy:

  • Check and correct the assignment of the triggers to the functions.
25217 (0x6281)

User-defined fault 1
Cause:

  • “Activate fault 1” function was activated via the trigger selected.




Remedy:

  • Eliminate error cause and then reset error.
25232 (0x6290)

Warning invert rotation
Cause:

  • Negative setpoint selection with an active limitation of rotation.

  • “Reverse rotational direction” function requested with active limitation.




Remedy:

  • Check setpoint selection and trigger.

  • Check setting in P304.00.
25233 (0x6291)

Maximum allowed troubles exceeded
Cause:

  • The number of permitted restart attempts after a fault was exceeded.




Remedy:

  • Check and eliminate the fault.
25249 (0x62A1)

Network: user fault 1
Cause:

  • The “Activate fault 1” function was triggered via the NetWordIN1 data word.




Remedy:

  • Eliminate error cause and then reset error.
25265 (0x62B1)

NetWordIN1 configuration incorrect
Cause:

  • Two bits of the NetWordIN1 data word were assigned to the same function.




Remedy:

  • Check and correct configuration of the NetWordIN1 data word.
25266 (0x62B2)

Changed device ID not yet active
Cause:

  • The device ID of the device was changed manually.




Remedy:

  • Execute device command “Save user data” (P700.03).

  • Switch inverter off and on again.
25505 (0x63A1)

CU: load error ID tag
Cause:

  • Calibration data of the control unit not compatible or faulty.




Remedy:

  • Update firmware of the inverter to the most recent version.

  • If error persists, replace control unit or device.
25507 (0x63A3)

Power unit unknown
Cause:

  • The power unit installed is not supported by the software.




Remedy:

  • Update firmware of the inverter to the most recent version.
28800 (0x7080)

Assertion level monitoring (Low/High)
Cause:

  • The last setting of the connection level differs from the saved setting.




Remedy:

  • Execute device command “Save user data”.

  • Switch inverter off and on again.
28801 (0x7081)

Fault – Analog input 1
Cause:

  • The monitoring function of the input signal configured for analog input 1 has been triggered.




Remedy:

  • Check input signal at analog input 1.

  • Check configuration of the monitoring function.
28833 (0x70A1)

Analog output 1 fault
Cause:

  • Open circuit or short circuit at analog output 1.




Remedy:

  • Check wiring of analog output 1.

  • Check definition of the output range.
28961 (0x7121)

Fault – Pole position identification
Cause:

  • Too many deviations during the pole position identification.

  • Rated motor current too high or too low.




Remedy:

  • Check setting of the motor data.

  • Ensure that the motor is at a standstill during the process.

  • Ensure motor and inverter match in terms of power.
29056 (0x7180)

Motor overcurrent
Cause:

  • The motor current has exceeded the warning/error threshold monitoring set.




Remedy:

  • Check motor load.

  • Check drive dimensioning.

  • Check warning/error threshold settings.
29445 (0x7305)

Encoder open circuit
Cause:

  • The encoder signal loss monitoring function has detected a failure of the encoder signal.




Remedy:

  • Check the encoder connection.

  • Check encoder cable for wire breakage.

  • Check encoder current supply.
30336 (0x7680)

Memory module is full
Cause:

  • The memory module contains too many parameter settings.




Remedy:

  • Execute “Save user data” again to reinitialise.
30337 (0x7681)

Memory module not present
Cause:

  • The inverter memory module was removed.




Remedy:

  • Switch off inverter.

  • Plug the memory module into the inverter.

  • Switch the inverter on again.
30352 (0x7690)

EPM firmware version incompatible
Cause:

  • The parameter settings saved in the memory module are incompatible with the firmware version.




Remedy:

  • Execute device command “Load default settings”.

  • Or execute “Save user data” to overwrite.
30354 (0x7692)

EPM data: new firmware type detected
Cause:

  • The parameter settings saved in the memory module do not match the inverter hardware.




Remedy:

  • Check parameter settings.

  • Reset error.

  • Execute “Save user data”.
33042 (0x8112)

Network – Time-out explicit message
Cause:

  • Within the time-out period for explicit messages, no “explicit message” was received.

  • Connection to scanner interrupted.




Remedy:

  • Check cables and terminals.

  • Check requested package interval (RPI).

  • Increase time limit for explicit messages in the scanner.
33044 (0x8114)

Network – Overall communication time-out
Cause:

  • EtherNet/IP or Modbus TCP/IP communication time-out exceeded.




Remedy:

  • Check cables and terminals.

  • Connect network cable.
33154 (0x8182)

CAN: bus off
Cause:

  • Too many faulty frames have been received.

  • Defective cable (loose contact).

  • Two nodes with the same node address.




Remedy:

  • Check wiring of the network.

  • Check bus terminating resistor.

  • Assign a unique node address to each node.

  • Eliminate EMC interferences.
33414 (0x8286)

Network – PDO mapping error
Cause:

  • Invalid PDO assignment by the master.

  • Internal PDO assignment was changed and does not comply with configuration.




Remedy:

  • Check data mapping in the master and slave.
33553 (0x8311)

Torque limit reached
Cause:

  • Motor has reached the torque limit (positive or negative).




Remedy:

  • Observe load requirements.

  • Reduce motor load.

  • Check set torque limits and sources.
65282 (0xFF02)

Fault – Brake resistor overload
Cause:

  • The calculated thermal load of the brake resistor has reached the error threshold.




Remedy:

  • Check drive dimensioning.

  • Check settings for the brake energy management.
65285 (0xFF05)

Safety option – Internal error
Cause:

  • The safety module or safety circuit was detected as defective.




Remedy:

  • Hardware error: contact manufacturer. Device must be replaced.

  • Note: The safety module must not be removed or repaired by the user.
65286 (0xFF06)

Motor overspeed
Cause:

  • The motor speed has reached the error threshold for overspeed.




Remedy:

  • Adapt the maximum motor speed (P322.00) and the warning threshold.
65289 (0xFF09)

Motor phase missing
Cause:

  • A failure of several motor phases has been detected.




Remedy:

  • Check wiring between inverter and motor.

  • Adapt settings for motor phase failure detection if false tripping occurs.
65305 (0xFF19)

Motor parameter identification fault
Cause:

  • During automatic identification of the motor, an error has occurred.




Remedy:

  • Set motor data so that they comply with data on the motor nameplate.

  • Check wiring of the motor.
65366 (0xFF56)

Maximum motor frequency reached
Cause:

  • The limitation of the maximum motor speed is active.

  • Maximum output frequency of inverter reached.




Remedy:

  • Check application.
65393 (0xFF71)

Wrong password
Cause:

  • A wrong password has been entered several times.




Remedy:

  • Wait until the blocking time has elapsed and then enter the correct password.
65395 (0xFF73)

Fatal Error
Cause:

  • Error when reading the data from the control unit.




Remedy:

  • Switch inverter off and on again.

  • If error persists, contact manufacturer (replace device).
65413 (0xFF85)

Keypad full control active
Cause:

  • If the “Keypad Full Control” control mode is active.




Remedy:

  • To exit the control mode, press the keypad key CTRL.