The motor cannot rotate after being energized, but there is no abnormal noise, odor and smoke. | Shihlin Electric

1. Causes of failure ① The power supply is not connected (at least two phases are not connected); ② The fuse is blown (at least two phases are fused); ③ The overcurrent relay is adjusted too small; ④ The wiring of the control equipment is wrong. 2. Trouble shooting ① Check the power circuit switch, whether there is a breakpoint at the fuse and junction box, repair; ② Check the fuse type, the reason for the fuse, and replace with a new fuse; ③ Adjust the relay setting value to match the motor; ④ Correct the wiring. Find quick answers in the Shihlin Electric FAQ—selection, wiring and troubleshooting for circuit breakers, magnetic contactors, AC drives, servo, HMI and PLC control.

FAQ: The motor cannot rotate after being energized, but there is no abnormal noise, odor and smoke.

Shihlin Electric FAQ: Selection, Wiring & Troubleshooting

The motor cannot rotate after being energized, but there is no abnormal noise, odor and smoke.

1. Causes of failure ① The power supply is not connected (at least two phases are not connected); ② The fuse is blown (at least two phases are fused); ③ The overcurrent relay is adjusted too small; ④ The wiring of the control equipment is wrong.

2. Trouble shooting ① Check the power circuit switch, whether there is a breakpoint at the fuse and junction box, repair; ② Check the fuse type, the reason for the fuse, and replace with a new fuse; ③ Adjust the relay setting value to match the motor; ④ Correct the wiring.

The motor cannot rotate after being energized, but there is no abnormal noise, odor and smoke. | Shihlin Electric

The Shihlin Electric Company Profile introduces a Taiwan-based manufacturer with 70+ years of engineering experience supporting low-voltage power distribution and motor control for industrial customers.

Our scope covers circuit breakers, switchgear and power distribution systems, magnetic switches and magnetic contactors—plus factory automation solutions including inverters, AC drives, servo motors and drives, HMI, controllers, PLC and system integration.

With long-term OEM/ODM collaboration and a growing global network, Shihlin Electric helps you standardize components, reduce downtime, and move from product selection to commissioning with practical technical support.