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Faulty Starter Coil Replacement: Testing, Troubleshooting In-Depth Guide Updated

Electrical Power and Control (205-812-5402) has updated its guide on replacing faulty starter coils in motor starters.

The expanded guide now contains additional resources that readers can refer to for more detail on replacing, testing, and troubleshooting starter coils. While the guide is written for Square D size 2 motor starters, the information can also be applied to coil replacements for similar equipment.

For more information, please visit

Starter coils are important components of any motor starter, as they control the electric current and initiate function. Electrical Power and Control says that when the coil burns out, it can lead to poor performance or even a complete failure to start. Additionally, faulty coils can damage motor starters and increase electricity consumption due to inefficient energy usage.

To help readers rectify any motor control system issues caused by starter coils, Electrical Power and Control outlines the replacement process in their step-by-step guide. First, readers should remove the cover and extract the coil and iron. Once the component is out of the system, the iron can be separated from the old coil and assembled with a functioning one. This new part can then be attached to the starter by guiding the armature ears into the designated slots.

Even after the functioning coil has been installed, Electrical Power and Control notes that it’s important to test the motor starter to ensure it’s working properly; both multimeter testing and bench testing can be used to check for any anomalies before energizing the system. For safety reasons, the starter’s power should be isolated at all times during the testing.

Because industrial motor starters may experience other issues, such as overheating, contact wear, control circuit faults, and mechanical jams, Electrical Power and Control stresses the importance of regular inspections. To troubleshoot the aforementioned issues, readers should check the system for excessive load, poor ventilation, damage to connections and wiring, and debris. By taking these steps, readers can extend the lifespan of their starters and prevent prolonged downtime.

Readers who want to remain proactive and better understand the components they are working with can also refer to Electrical Power and Control’s guide for detailed information on different types of motors, their parts, and their functions. Individuals with more specific questions are encouraged to contact the company for professional advice.

Interested parties can learn more by visiting

Contact Info:
Name: Pat Sims
Email: Send Email
Organization: Electrical Power and Control
Address: 1639 Springhill Rd., Talladega, AL 35160, United States

Source: PressCable

Release ID: 89130420

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