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9

Over-heat of Control Module (ECM)

Fanuc · Macro B CNC Programming

¿Qué significa 9 ?

The Energy Charge Module's (ECM) Control Module has detected an abnormal over-heat condition via its built-in thermostat. Continuous operation in this state can shorten the life of electronic components and degrade ECM performance, potentially leading to other failures.

Causas comunes

  • Control module (ECM) temperature exceeds operational limit P1-80.
  • Cooling fan failure or obstruction for the ECM.
  • Excessive ambient temperature around the ECM.
  • High operational load causing increased heat generation within the ECM.
  • Blocked heatsink or ventilation on the ECM.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Immediately stop the machine using the emergency stop button and open the external Main Circuit Contactor (MCC) of the Power supply.

  2. 2

    Check the cooling fan of the Control Module (A06B-6158-H010) for proper operation and ensure it is not blocked by dust or debris.

  3. 3

    Verify that the ambient temperature around the Control Module is within the specified operating range (0 to 55°C, page 49).

  4. 4

    Ensure proper ventilation and air circulation within the power magnetics cabinet (Section G.2.3, page 460). Clear any obstructions.

  5. 5

    Inspect the heat sink of the Control Module for dust accumulation or damage, which can reduce cooling efficiency.

Ver todos los códigos en este manual (26)
Datos técnicos verificados. Última actualización: March 2026

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