Damage to the inverter caused by the braking resistor

Fault Name:Damage to the inverter caused by the braking resistor. Fault Symptom: The inverter module is broken.

The output is abnormal after the touch screen is disconnected from the PL

Fault Name:The output is abnormal after the touch screen is disconnected from the PLC.
Fault Symptom:After disconnecting the touch screen from the PLC, the inverter stops running and runs normally after being turned on.

Solution of OL2 while running fault

Fault Name: OL2. Fault Symptom: The frequency inverter reports OL2 while running.

Blunt phenomenon in AC90 torque control operation caused by encoder feedback signal

Fault Name: Blunt phenomenon in AC90 torque control operation caused by encoder feedback signal. Fault Symptom:AC90 was set to torque control in PG mode, but stop while blunting in operation.

IOT platform does not monitor data

Fault Name: IOT Platform (8028) does not monitor data.Fault Symptom: Quanzhou Office business feedback that platform 8028 cannot monitor the data and operation of the relevant GPRS of Xiamen Weili Chuang Cor. after logging in.

The main contactor coil is burnt out

Fault Name: The main contactor coil of the lifting machine is burnt out.Fault Symptom: The power on of the all-in-one cannot be run after starting, and the under-voltage fault is reported.

Solution of SD600A servo driver reports encoder fault (Er007)

Fault Name: SD600A servo driver reports encoder fault (Er007).Symptom: When the SD600A servo drive starts and stops frequently, it is easy to report Er007, and it does not report this fault during normal operation or shutdown.

Principle of hardware speed tracking circuit in frequency inverter

Our AC70 series inverters all have hardware speed tracking function. After the inverter stops, the motor can start directly and smoothly before the motor stops rotating. How does the hardware and software cooperate to achieve this function? The principle will be explained in detail below.

Solution of under-voltage fault while running

Fault Name: Reporting under-voltage fault while runningFault Symptom:The frequency inverter runs normally, but it would report the under-voltage fault with the load after starting.

Solution of motor self-tuning fault

Fault Name:Motor self-tuning fault.Fault Symptom: AC200T frequency inverter reports E.TEL during the static self-tuning.

Solution of the over-voltage fault happens during constant speed

Fault Name:Over-voltage fault happens during constant speed.Fault Symptom:AC200T-T3-22G frequency inverter is used for unwinding and E.oU3 would be reported when running for a period of time.

Solution of the motor driven by AC100-K shakes during operation

Fault Name:The motor driven by AC100-K shakes during operation.Fault Symptom:The motor driven by AC100-K shakes when the gas consumption on the site is small.

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