Line Tracking Motor Overheat

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The motor connected to the line tracking encoder has overheated. This alarm persists even after the Pulsecoder has cooled sufficiently and power is reapplied, indicating a persistent overheating condition or sensor issue.

• Overheating of the motor driving the line tracking encoder.
• Excessive load on the line tracking axis exceeding motor thermal limits.
• Malfunction of the motor's internal thermal protection sensor.
• Inadequate cooling to the line tracking motor housing.

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1. 1

   Measure motor winding resistance. Compare values to P1-54 specifications.

2. 2

   Check motor encoder signal integrity at terminal E1-E4.

3. 3

   Verify cooling fan operation for the line tracking motor assembly.

4. 4

   Inspect motor mounting for proper heat dissipation.

5. 5

   Monitor motor temperature via parameter P1-78 during operation.