What does earth fault mean on Lenze ESMD552L4TXA?
If the Lenze Inverter indicates an earth fault, it could be due to: * A grounded motor phase: Inspect the motor and motor cable. * Excessive capacitive charging current of the motor cable: Use shorter motor cables with a lower charging current.
Why Lenze DC Drives show earth fault?
An earth fault in Lenze DC Drives can occur if a motor phase is grounded, so you should check the motor and motor cable. It can also be due to excessive capacitive charging current of the motor cable, in this case use shorter motor cables with lower charging current.
What to do if Lenze DC Drives have controller overtemperature?
If the controller has an overtemperature, it means the controller is too hot inside. To resolve this, reduce the controller load and improve cooling.
What to do if Lenze DC Drives show undervoltage on DC bus?
If Lenze DC Drives show undervoltage on the DC bus, it could be because the mains voltage is too low. Check the mains voltage.
How to resolve dynamic braking fault in Lenze DC Drives?
A dynamic braking fault in Lenze DC Drives typically means that the dynamic braking resistors are overheating. To resolve this, increase the deceleration time.
What to do if Lenze DC Drives have a single phase fault?
If Lenze DC Drives have a single phase fault, it means a mains phase has been lost. Check the mains voltage.
What to do if Lenze DC Drives have a communication error?
If Lenze DC Drives have a communication error, it may be because the serial timer has timed out. Check the serial link connections.
What to do if Lenze ESMD552L4TXA shows short-circuit or overload?
If the Lenze Inverter experiences a short-circuit or overload, there are several potential causes: * A short-circuit itself: Investigate the cause and inspect the motor cable. * Excessive capacitive charging current: Use shorter motor cables. * Acceleration time is too short: Increase the acceleration time and check the controller selection. * Defective motor cable: Check the wiring. * Internal fault in the motor: Check the motor. * Frequent and long overload: Check controller selection.
Why is my Lenze Inverter showing overvoltage on DC bus?
If your Lenze Inverter is experiencing an overvoltage on the DC bus, it could be due to several reasons: * The mains voltage might be too high: Verify the mains voltage. * The deceleration time might be excessively short, or the motor might be in generator mode: Increase the deceleration time or consider using a dynamic braking option. * Earth leakage on the motor side: Check the motor and motor cable, separating the motor from the controller to diagnose.
What causes motor overload on Lenze ESMD552L4TXA?
If the Lenze Inverter displays a motor overload (I2t overload), it means the motor is thermally overloaded. This can be due to: * Impermissible continuous current. * Frequent or excessively long acceleration processes. To resolve this: * Check the controller selection. * Check the setting of c20.
General safety precautions and responsibilities for personnel.
Guidelines for intended use and compliance with directives like Machinery and EMC.
Precautions for handling, avoiding mechanical stress, and electrostatic discharge.
Requirements for electrical installation, national regulations, and EMC considerations.
Requirements for monitoring, protection devices, and safe operation practices.
Policy and liability statement regarding explosion proof motors and inverter use.
Notes specific to UL systems, including branch circuit protection and wiring.
Overview of conformity, approvals, and environmental conditions for operation.
Detailed specifications for power, voltage, current, and frequency ratings.
Instructions for connecting the drive electrically, including EMC.
Detailed description of each control terminal and its function.
Detailed explanation of error codes, their causes, and corrective actions.
Troubleshooting steps for OC1 short-circuit or overload errors.
Troubleshooting steps for OC2 earth fault errors.
Troubleshooting steps for OC6 motor overload errors, including UL delay.
General| Type | Inverter |
|---|---|
| Power Rating | 5.5 kW |
| Input Voltage | 380-480 V AC |
| Output Voltage | 0-480 V AC |
| Input Current | 12 A |
| Output Current | 12 A |
| Series | ESMD |
| Protection Class | IP20 |
| Communication Interface | CANopen |
| Cooling Method | Fan |
| Operating Temperature | -10 ... 40 °C |
| Storage Temperature | -25 ... 70 °C |
| Relative Humidity | 5% to 95% (non-condensing) |
| Control Method | Vector Control |
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