LS Electric iV5L Drive Fault Codes:
| Fault Code and Meaning | Cause and Remedy |
|---|---|
| Over Current Priority: 4 Type: Latch | Cause: Displayed when inverter output current exceeds the specified fault current. Remedy: Refer to detailed troubleshooting section in manual. |
| Ground Fault Priority: 3 Type: Latch | Cause: Displayed when a ground fault occurs in the inverter’s output, and current flow to ground exceeds the specified level. Remedy: Refer to detailed troubleshooting section in manual. |
| Over Voltage Priority: 5 Type: Latch | Cause: Displayed when the internal DC voltage exceeds the specified value (820 VDC). Remedy: Refer to detailed troubleshooting section in manual. |
| Low Voltage Priority: 9 Type: Level | Cause: Displayed when the internal DC voltage is less than the specified value (360 VDC). Remedy: Refer to detailed troubleshooting section in manual. |
| Over Load Priority: 12 Type: Latch | Cause: Displayed when the inverter’s output current exceeds the specified motor rated current and overload trip time. Remedy: Refer to detailed troubleshooting section in manual. |
| Inv OLT Priority: 16 Type: Latch | Cause: Displayed when the inverter has detected an overload and resultant overheating condition based on inverse time-limit thermal characteristics. Allowable overload rates for the inverter are 150% for 1 min. Remedy: Refer to detailed troubleshooting section in manual. |
| InvOver Heat Priority: 10 Type: Latch | Cause: Displayed when the temperature of the inverter heat sink exceeds the specified value. Remedy: Refer to detailed troubleshooting section in manual. |
| InvThem OP Priority: 19 Type: Latch | Cause: Displayed when the inverter thermistor detects a low temperature. Remedy: Refer to detailed troubleshooting section in manual. |
| MotOver Heat Priority: 18 Type: Latch | Cause: Displayed when the motor temperature exceeds 130°C. Remedy: Refer to detailed troubleshooting section in manual. |
| MotThem Err Priority: 20 Type: Latch | Cause: Displayed when a motor thermistor error occurs in the inverter thermistor. Remedy: Refer to detailed troubleshooting section in manual. |
| E-Thermal Priority: 11 Type: Latch | Cause: Displayed when internal electronic protection detects a high temperature condition at the motor. Remedy: Refer to detailed troubleshooting section in manual. |
| External-B Priority: 14 Type: Latch | Cause: Displayed when an external fault signal is generated. Remedy: Refer to detailed troubleshooting section in manual. |
| Arm Short / Arm Short-DB Priority: 1 Type: Latch | Cause: Displayed when IGBT Arm or output fault occurs. Arm Short-DB is only displayed on the 11-22 kW models. Remedy: Refer to detailed troubleshooting section in manual. |
| Fuse Open Priority: 2 Type: Latch | Cause: Displayed when circuit protection is activated by an IGBT fault. Remedy: Refer to detailed troubleshooting section in manual. |
| Encoder Err Priority: 8 Type: Latch | Cause: Displayed when an encoder signal error occurs. Remedy: Refer to detailed troubleshooting section in manual. |
| (No Display Name / General) Priority: – Type: – | Cause: Displayed when an inconsistent motor error time is detected when compared to the PRT_11 setting. Remedy: Refer to detailed troubleshooting section in manual. |
| BX Priority: – Type: Latch | Cause: Displayed when the inverter output is blocked by a signal from the multifunction terminal. Remedy: Refer to detailed troubleshooting section in manual. |
| Over Speed Priority: 21 Type: Latch | Cause: Displayed when the motor speed exceeds the specified maximum speed. Remedy: Refer to detailed troubleshooting section in manual. |
| COM Error Priority: – Type: Fatal | Cause: Displayed when communication between the inverter and the keypad is unavailable. Remedy: Refer to detailed troubleshooting section in manual. |
| HW-Diag Priority: 13 Type: Latch | Cause: Displayed when a CPU error is detected. Remedy: Refer to detailed troubleshooting section in manual. |
| EEP Error Priority: – Type: Latch | Cause: Displayed when a data saving error occurs. Remedy: Refer to detailed troubleshooting section in manual. |
| FAN Error Priority: 6 Type: Latch | Cause: Displayed when a cooling fan error is detected. Remedy: Refer to detailed troubleshooting section in manual. |
| BatRun Fault Priority: 7 Type: Latch | Cause: Displayed when operation signals are lost during a battery power operation. Remedy: Refer to detailed troubleshooting section in manual. |
| Input PO Priority: 17 Type: Latch | Cause: Displayed when a single phase of a 3-phase power supply is interrupted while the inverter is under load. Remedy: Refer to detailed troubleshooting section in manual. |
| Output PO Priority: 15 Type: Latch | Cause: Displayed when the inverter does not produce an output current. Remedy: Refer to detailed troubleshooting section in manual. |
| SpdDev Err Priority: 26 Type: Latch | Cause: Displayed when the difference between the motor speed and command speed is more than the specified value. Remedy: Refer to detailed troubleshooting section in manual. |
| Low Voltage2 Priority: 24 Type: Latch | Cause: Displayed when the internal DC voltage is less than the specified value during inverter operation. Remedy: Refer to detailed troubleshooting section in manual. |
| SAFETY A/B Priority: 25 Type: Latch/Level | Cause: Displayed when there is a safety terminal wiring fault on the control board. The response can be set at either Latch or Level. Remedy: Refer to detailed troubleshooting section in manual. |
| A3 Safety Priority: 23 Type: Latch | Cause: Displayed when an A3 Safety error is detected at a multifunction input. Remedy: Refer to detailed troubleshooting section in manual. |
| ADC Error Priority: 27 Type: Fatal | Cause: Displayed when current calibration is incorrect when power is initially supplied to the inverter. Remedy: Refer to detailed troubleshooting section in manual. |
| Flr/FHM Data Priority: 22 Type: Latch | Cause: Displayed when a floor height data error is detected or a floor height measurement failure occurs. Available only when the exclusive elevator mode is used. Remedy: Refer to detailed troubleshooting section in manual. |
| SINCOS Open Priority: 28 Type: Latch | Cause: Displayed when EnDat signals Sin-, Cos-, Sin+, and Cos+ are not connected to a single or multiple lines. Remedy: Refer to detailed troubleshooting section in manual. |
| ENDAT ERROR Priority: 29 Type: Latch | Cause: Displayed when EnDat signals for the Clock or Data lines are not connected or a communication error is detected. Remedy: Refer to detailed troubleshooting section in manual. |