Table 5-3 Troubleshooting Continued

INDICATION

POSSIBLE CAUSE

CORRECTIVE ACTION

 

 

 

New Base ID

Replaced Control or circuit board.

Restore parameters to factory settings.

 

 

Reset control.

 

 

 

 

No Display

Lack of input voltage.

Check input power for proper voltage.

 

 

 

 

 

Loose connections.

Check input power termination.

 

 

 

Verify connection of operator keypad.

 

 

 

 

 

Adjust display contrast.

See Adjust Display Contrast.

 

 

 

 

NV Memory Fail

Memory fault occurred.

Press “RESET” key on keypad. Restore parameter values to factory

 

 

settings. If fault remains, call Baldor.

 

 

 

3 Sec Overload

Peak output current exceeded 3 sec

Check PK Current Limit parameter in the Level 2

 

rating.

Output Limits block.

 

 

 

Check motor for overloading.

 

 

 

Increase ACCEL time.

 

 

 

Reduce motor load.

 

 

 

Verify proper sizing of control and motor.

 

 

 

1 Min Overload

Peak output current exceeded 1

Check PK Current Limit parameter in the Level 2

 

minute rating.

Output Limits block.

 

 

 

Check motor for overloading.

 

 

 

Increase ACCEL/DECEL times.

 

 

 

Reduce motor load.

 

 

 

Verify proper sizing of control and motor.

 

 

 

Over Speed

Motor exceeded 110% of MAX

Check Max Output Freq in the Level 2 Output Limits block.

 

Output Freq parameter value.

 

 

 

 

 

Param Checksum

Memory fault occurred.

Press “RESET” key on keypad. Restore parameter values to factory

 

 

settings. If fault remains, call Baldor.

 

 

 

Regen RES

Incorrect dynamic brake parameter.

Check Resistor Ohms and Resistor Watts parameters in the Level 2 Brake

Power

 

Adjust block.

 

 

 

 

 

Regen power exceeded dynamic

Add external dynamic braking assemblies: RGA resistor kit or RBA

 

brake resistor rating.

transistor assembly.

 

 

 

Increase Decel Time.

 

 

 

 

Unknown Fault

Microprocessor detected a fault that

Press “RESET” key on keypad. Restore parameter values to factory

Code

is not defined in the fault code table.

settings. If fault remains, call Baldor.

 

 

 

 

Unstable Speed

Oscillating load.

Correct motor load.

 

 

Unstable input power.

Correct input power.

 

 

Slip compensation too high.

Adjust slip compensation.

 

 

 

 

 

uP Reset

A software watchdog timer has

Press “RESET” key on keypad.

If fault remains, call Baldor.

 

reset the processor because a

 

 

 

process has timed out.

 

 

 

 

 

 

FLT Log MEM

Corrupt data in fault log (may occur

Press “RESET” key on keypad.

If fault remains, call Baldor.

Fail

on older systems only).

 

 

 

 

 

 

Current SENS

Failure to sense phase current.

Press “RESET” key on keypad.

If fault remains, call Baldor.

FLT

 

 

 

 

 

 

 

Bus Current

Failure to sense bus current.

Press “RESET” key on keypad.

If fault remains, call Baldor.

SENS

 

 

 

 

 

 

 

5-8 Troubleshooting

MN715

Page 79
Image 79
Baldor Inverter Control, 15H manual Flt, Sens

Inverter Control, 15H specifications

The Baldor 15H Inverter Control stands out as a leading solution in the realm of variable frequency drives (VFDs), specifically designed for enhancing motor efficiency and performance in industrial applications. This control unit is engineered to provide robust and reliable performance while ensuring seamless integration with various motor types.

One of the main features of the Baldor 15H is its advanced control algorithms, which facilitate precise motor control. This technology allows for smooth acceleration and deceleration, reducing mechanical stress on the system and extending the lifespan of both the motor and connected equipment. The inverter control is adept at handling both synchronous and asynchronous motors, making it highly versatile for different operational needs.

The Baldor 15H incorporates a user-friendly interface that provides operators with real-time data and diagnostics. This feature allows for easy monitoring and troubleshooting, helping to minimize downtime and maintenance costs. The intuitive control panel simplifies parameter adjustments, enabling quick customization for specific application requirements.

Safety is paramount in industrial environments, and the Baldor 15H includes several safety features designed to protect both the equipment and personnel. These features include overload protection, overvoltage protection, and short-circuit protection, ensuring reliable operation even under demanding conditions.

Energy efficiency is another critical aspect of the Baldor 15H. By utilizing pulse-width modulation (PWM) technology, it optimizes power usage, which translates to lower energy costs and reduced environmental impact. This makes it an excellent choice for companies aiming to improve their sustainability practices.

Moreover, the Baldor 15H supports a variety of communication protocols, allowing for easy integration into existing automation systems. This capability ensures that operators can utilize the inverter control within modern industrial networks, enhancing overall system efficiency.

In terms of physical characteristics, the Baldor 15H is designed for durability and reliability. It comes with a robust enclosure that protects against dust, moisture, and other environmental factors commonly found in industrial settings. Its compact design also allows for easy installation in limited spaces.

Overall, the Baldor 15H Inverter Control is a comprehensive solution that combines advanced technology, safety features, and energy efficiency, making it a preferred choice for industries looking to optimize their motor control systems. Its adaptability to different motor types and integration capabilities further solidify its position as a leader in VFD technology.