Encoder is the brain of servo motor. Let’s learn errors & solutions.

Servo Motor Encoder Troubleshooting

Encoder gives position & speed feedback to the drive.

What is an Encoder?

Why Encoder is Needed?

Controls motor speed, position & direction with accuracy.

Common Encoder Problems

Cable damage, signal loss, dust, bearing jam & wire breaks.

Motor unstable, vibration, wrong position, OC errors.

Encoder Error Symptoms

How to Troubleshoot?

Check cable, clean encoder, verify signals & drive logs.

Wire break, solder cracks, sensor damage, misalignment.

Internal Circuit Faults

How to Open Encoder

Power off → Remove → Open cover → Inspect → Repair.