Lenze 9300 Servo Drive Fault Codes:
| Fault Code and Meaning | Cause and Remedy |
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| 0011 (OC1) Short circuit of motor cable | Cause: Short circuit or Excessive capacitive charging current in the motor cable. Remedy:
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| 0012 (OC2) Motor cable earth fault | Cause: One of the motor phases has earth contact. Remedy:
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| 0015 (OC5) I x t overload | Cause: Frequent and too long acceleration with overcurrent or Continuous overload with Imotor > 1.05 x Irx. Remedy:
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| 0016 (OC6) I²xt overload | Cause: Frequent and too long acceleration processes with motor overcurrent or Permanent motor overload with Imotor > Irmotor. Remedy:
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| x018 (OC8) I²xt overload advance warning | Cause: Frequent and too long acceleration processes with motor overcurrent or Permanent motor overload with Imotor > Irmotor. Remedy:
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| 1020 (OU) Overvoltage in DC bus | Cause: Braking energy is too high (DC-bus voltage is higher than set in C0173). Remedy:
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| 1030 (LU) Undervoltage in the DC bus | Cause: DC bus voltage is lower than specified in C0173. Remedy:
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| x032 (LP1) Motor phase failure | Cause: A current-carrying motor phase has failed or The current limit value is set too low. Remedy:
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| 0050 (OH) Heatsink temperature > +90 °C | Cause: Ambient temperature Tu > +40 °C or > +50 °C; Heatsink is very dirty; or Wrong mounting position. Remedy:
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| x053 (OH3) Motor temperature > +150 °C threshold | Cause: Motor is thermally overloaded due to impermissible continuous current, frequent/long acceleration, or no PTC/temperature contact connected. Remedy:
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| x054 (OH4) Heatsink temperature > C0122 | Cause: Ambient temperature high, Heatsink dirty, Wrong mounting position, or The value specified under C0122 is set too low. Remedy:
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| x057 (OH7) Motor temperature > C0121 | Cause: Motor is thermally overloaded, No PTC connected, or value specified under C0121 is set too low. Remedy:
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| x058 (OH8) Motor temperature via inputs T1 and T2 is too high | Cause: Motor is thermally overloaded or Terminals T1 and T2 are not connected. Remedy:
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| x061 (CE0) Automation interface (AIF) communication error | Cause: Faulty transfer of control commands via AIF. Remedy:
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| x062 (CE1) Communication error on CAN1_IN | Cause: CAN1_IN object receives faulty data or communication is interrupted. Remedy:
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| x063 (CE2) Communication error on CAN2_IN | Cause: CAN2_IN object receives faulty data or communication is interrupted. Remedy:
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| x064 (CE3) Communication error on CAN3_IN | Cause: CAN3_IN object receives faulty data or communication is interrupted. Remedy:
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| x065 (CE4) BUS-OFF state of system bus (CAN) | Cause: The controller has received too many faulty telegrams via the system bus (CAN) and has disconnected from the bus. Remedy:
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| 0071 (CCr) System failure | Cause: Strong interference injection on the control cables or Ground/earth loops in the wiring. Remedy:
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| 0072 (PR1) Checksum error in parameter set 1 | Cause: Fault when loading a parameter set; Interruption while transmitting; or Stored parameters incompatible with loaded software. Remedy:
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| 0074 (PEr) Program error | Cause: Error in the program flow. Remedy:
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| 0075 (PR0) Error in parameter set | Cause: The operating system software has been updated. Remedy:
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| 0079 (PI) Fault during parameter initialisation | Cause: Error detected during parameter set transfer between two devices or Parameter set does not match the controller (e.g. power rating mismatch). Remedy:
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| x082 (Sd2) Resolver error at X7 | Cause: Resolver cable interrupted. Remedy:
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| x083 (Sd3) Encoder error at X9 | Cause: Cable interrupted or Pin X9/8 not connected. Remedy:
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| x085 (Sd5) Encoder error at X6/1 and X6/2 | Cause: Current signal at X6/1 X6/2 < 2mA. Remedy:
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| x086 (Sd6) Motor temperature sensor error (X7 or X8) | Cause: Encoder for detecting the motor temperature at X7 or X8 indicates undefined values. Remedy:
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| x087 (Sd7) Initialisation or Communication error of absolute value encoder at X8 | Cause: The absolute value encoder must be initialised, has a defect, or is not sending data. A rotor position adjustment could not be completed. Remedy:
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| x088 (Sd8) SinCos encoder at X8 error | Cause: SinCos encoder sends inconsistent data (tracks damaged), interference level on cable is too high, or open circuit detected. Remedy:
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| x089 (PL) Error during rotor position adjustment | Cause: The rotor position adjustment was cancelled, or an error (Sd7 or Sd8) occurred during adjustment. Remedy:
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| x091 (EEr) External monitoring triggered via DCTRL | Cause: A digital signal assigned to the TRIP-SET function has been activated. Remedy:
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| 0105 (H05) Internal fault (memory) | Cause: Internal memory fault. Remedy:
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| 0107 (H07) Internal fault (power stage) | Cause: During initialisation, an incorrect power stage was detected. Remedy:
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| x110 (H10) Heatsink temperature sensor error | Cause: Sensor for detecting heatsink temperature indicates undefined values. Remedy:
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| x111 (H11) Temperature sensor error (Internal) | Cause: Sensor for detecting internal temperature indicates undefined values. Remedy:
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| x153 (P03) Following error | Cause: Angle difference between set and actual position is larger than the limit (C0255), or drive cannot follow digital frequency. Remedy:
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| x163 (P13) Angle overrun | Cause: Phase controller limit reached or drive cannot follow the digital frequency (Imax limit). Remedy:
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| x166 (P16) Faulty transfer of system bus (CAN) sync telegram | Cause: Sync telegram from master (PLC) is out of sync, not received, or controller enabled too fast. Remedy:
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| x169 (P19) Input values at X9 are limited | Cause: The function block DFIN limits the input values causing loss of increments. Remedy:
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| x190 (nErr) Speed control error | Cause: Speed out of tolerance margin (C0576). Active load too high (e.g. hoists) or mechanical blockades. Remedy:
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| x200 (NMAX) Maximum system speed exceeded | Cause: Maximum system speed (C0596) exceeded. Active load too high or torque excessively limited. Remedy:
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