Chapter 6 Fault Code Information and Maintenance

Fault Name

Fault Descriptions

 

Corrective Actions

 

 

1.

Ensure that the ambient temperature falls

 

 

 

within the specified temperature range.

 

IGBT overheating

2.

Make sure that the ventilation holes are

 

IGBT temperature

 

not obstructed.

 

exceeds protection

3.

Remove any foreign objects from the

 

level

 

heatsinks and check for possible dirty

 

1 to15HP: 90 oC

 

heat sink fins.

 

20 to 100HP: 100 oC

4.

Check the fan and clean it.

 

 

5.

Provide enough spacing for adequate

 

 

 

ventilation.

 

 

1.

Ensure that the ambient temperature

 

 

 

falls within the specified temperature

 

 

 

range.

 

Heatsink

2.

Make sure that the ventilation holes are

 

overheating

 

not obstructed.

 

Heat sink

3.

Remove any foreign objects from the

 

temperature exceeds

 

heatsinks and check for possible dirty

 

90oC

 

heat sink fins.

 

 

4.

Check the fan and clean it.

 

 

5.

Provide enough spacing for adequate

 

 

 

ventilation.

 

Motor overheating

1.

Make sure that the motor is not

 

 

obstructed.

 

The AC motor drive

 

 

2.

Ensure that the ambient temperature

 

detects that the

 

 

falls within the specified temperature

 

internal temperature

 

 

 

range.

 

exceeds Pr.06-30

 

 

3.

Take the next higher power AC motor

 

(PTC level)

 

 

drive model.

 

 

 

 

OH1 hardware failure

Return to the factory

 

OH2 hardware failure

Return to the factory

 

Fan failure

1.

Make sure that the fan is not obstructed.

 

2.

Return to the factory

 

 

 

Overload

 

 

 

The AC motor drive

 

 

 

detects excessive

 

 

 

drive output current.

1. Check whether the motor is overloaded.

 

NOTE: The AC motor

 

2.

Take the next higher power AC motor

 

drive can withstand

 

drive model.

 

up to 150% of the

 

 

 

 

 

rated current for a

 

 

 

maximum of 60

 

 

 

seconds.

 

 

 

 

1.

Check whether the motor 1 is

 

 

 

overloaded.

 

Motor 1 overload

2.

Check whether the rated current of motor

 

 

1 (Pr.05-01) is suitable

 

 

 

 

 

3.

Take the next higher power AC motor

 

 

 

drive model.

 

 

1.

Check whether the motor 2 is

 

 

 

overloaded.

 

Motor 2 overload

2.

Check whether the rated current of motor

 

 

2 (Pr.05-13) is suitable

 

 

 

 

 

3.

Take the next higher power AC motor

 

 

 

drive model.

Revision August 2008, 03VE, SW V2.04

6-3

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Delta Electronics VFD-VE Series manual Igbt overheating, Heatsink, Overheating, Motor overheating, Fan failure, Overload
Page 227 Page 229

VFD-VE Series specifications

Delta Electronics VFD-VE Series is a state-of-the-art variable frequency drive (VFD) designed to enhance energy efficiency and improve the operational capabilities of various industrial applications. Renowned for its reliability and performance, the VFD-VE Series serves a diverse range of sectors including manufacturing, HVAC, and water treatment.

One of the primary features of the VFD-VE Series is its advanced control algorithms, which provide precise speed and torque control for AC motors. The series utilizes a vector control method that enables excellent dynamic response and a wide speed range. This is particularly beneficial for applications requiring variable speeds or precise positioning, as it ensures smooth acceleration and deceleration while maintaining optimal performance.

The VFD-VE Series stands out with its Energy Saving Technology. By intelligently optimizing motor control parameters based on the load, the VFD can significantly reduce energy consumption. This built-in functionality not only helps companies save on electricity costs but also contributes to a lower carbon footprint, aligning with global sustainability efforts.

Another key characteristic of the VFD-VE Series is its user-friendly interface. Equipped with a clear and intuitive LCD display, it simplifies monitoring and adjustments, allowing operators to configure settings easily. Additionally, the series supports various communication protocols such as Modbus, EtherCAT, and CANopen, enabling seamless integration with existing control systems for enhanced automation.

The VFD-VE Series is built to withstand harsh industrial environments. Its robust design includes features such as IP20 or IP55 ingress protection ratings, ensuring reliable operation even in dusty or humid conditions. Furthermore, the drives are equipped with advanced thermal management systems that prevent overheating, thereby prolonging the lifespan of the equipment.

Safety is also a priority in the VFD-VE Series, which incorporates multiple safety features such as overvoltage, undervoltage, and overcurrent protection. These safeguards help protect both the drive itself and the connected machinery, minimizing downtime and reducing maintenance costs.

Overall, Delta Electronics VFD-VE Series combines cutting-edge technology, energy efficiency, and robust design to meet the dynamic needs of modern industrial automation. With its advanced features and reliable performance, it is an ideal choice for businesses aiming to optimize their processes and achieve greater energy savings.
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