Table 5-3 Troubleshooting

INDICATION

POSSIBLE CAUSE

CORRECTIVE ACTION

 

 

 

Command Select

Incorrect operating mode

Change Operating Mode in the Level 1 Input block to one that does not

 

programmed.

require the expansion board.

 

 

 

 

Need expansion board.

Install the correct expansion board for selected operating mode.

 

 

 

Bus Overvoltage

Excessive dynamic braking power.

Check dynamic brake watt and resistance parameter values.

Trip or

 

Increase the DECEL time.

HW Overvoltage

 

Add external dynamic braking assemblies: RGA resistor kit or

 

 

RBA transistor assembly.

 

 

 

 

DECEL Rate set too low a value

Lengthen DECEL time.

 

 

Add external dynamic braking resistors or module.

 

 

 

 

Overhauling Motor load

Correct problem with motor load.

 

 

Add external dynamic braking resistors or module.

 

 

 

 

Dynamic brake mis-wired.

Check dynamic brake hardware wiring.

 

 

 

 

Input voltage too high.

Verify proper AC line voltage.

 

 

Use step down transformer if needed.

 

 

Use line reactor to minimize spikes.

 

 

 

Bus Undervoltage

Input voltage too low.

Verify proper AC line voltage.

 

 

Use step up transformer if needed.

 

 

Check power line disturbances (sags caused by start up of

 

 

other equipment).

 

 

Monitor power line fluctuations with date and time imprint

 

 

to isolate power problem.

 

 

Disconnect dynamic brake hardware and repeat operation.

 

 

 

External Trip

Motor ventilation insufficient.

Clean motor air intake and exhaust.

 

 

Check external blower for operation.

 

 

Verify motor’s internal fan is coupled securely.

 

 

 

 

Motor draws excessive current.

Check motor for overloading.

 

 

Verify proper sizing of control and motor.

 

 

 

 

Volts/Hertz ratio is wrong.

Adjust the Volts/Hz parameter value.

 

 

Adjust the Base Frequency.

 

 

Adjust the Max Output Voltage.

 

 

 

 

No thermostat connected.

Connect thermostat.

 

 

Verify connection of all external trip circuits used with thermostat.

 

 

Disable thermostat input at control.

 

 

 

 

Poor thermostat connections.

Check thermostat connections.

 

 

 

 

External trip parameter incorrect.

Verify connection of external trip circuit at J4-16.

 

 

Set external trip parameter to “OFF” if no connection made

 

 

at J4-16.

 

 

 

Hardware Protect

Fault duration too short to be

Reset control.

 

identified.

Check for proper grounding of power wiring and shielding of signal wiring.

 

 

Replace control board.

 

 

 

Heatsink Temp

Motor Overloaded.

Correct motor loading.

 

 

Verify proper sizing of control and motor.

 

 

 

 

Ambient temperature too high.

Relocate control to cooler operating area.

 

 

Add cooling fans or air conditioner to control cabinet.

 

 

 

 

Built-in fans are ineffective or

Verify fan operation.

 

inoperative.

Remove debris from fan and heatsink surfaces.

 

 

Replace fan or check fan wiring.

 

 

 

5-6 Troubleshooting

MN715

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Baldor Inverter Control, 15H manual Troubleshooting, Indication Possible Cause Corrective Action

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.

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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.