Technical Guide | Complete Fault Diagnosis Tutorial for Electric Wire Saw – Remote Control Works but Motor Doesn't Spin
Jun 18,2026
During the operation of an electric wire saw machine, many operators encounter a tricky malfunction: the remote control shows full signal strength, the panel displays normal running status, the system gives no error alerts, but the main motor remains stationary and the equipment stops working, causing costly downtime. This type of "false normal" fault can easily mislead maintenance efforts. You can troubleshoot based on your specific working conditions by checking the following three points:
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Check whether the wiring is broken or disconnected.
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Check whether the intermediate relay is damaged.
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Check whether the AC contactor is damaged.
It is recommended to follow the principle of outside first, inside first; simple first, complex later. Start by checking the continuity of the wiring, then test the condition of the relay and contactor. Targeted replacement and repair will quickly resolve the issue without the need to blindly dismantle the main motor, effectively reducing construction downtime and maintenance costs.
Reference image of the electric wire saw machine is shown below:
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