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237312

HF reactor module: Overtemperature or fan failure

Siemens · DAsl Diagnostics and Alarms

¿Qué significa 237312 ?

The reactor module has detected an overtemperature condition or a failure in its cooling fan. This alarm serves as a warning for a potential thermal issue. If this alarm persists for longer than 30 seconds, it will escalate to fault F37313 (likely 237313), indicating a more critical and sustained thermal problem that requires immediate attention.

Causas comunes

  • Impending or intermittent fan failure (e.g., worn bearings, vibration, motor intermittently stalling) on the HF reactor module.
  • Partial blockage of cooling air paths due to dust buildup or obstruction in the cabinet.
  • Brief, intermittent overload conditions causing the reactor to temporarily heat up.
  • Elevated ambient temperature in the cabinet, approaching the reactor's temperature limit.
  • Early stage degradation of thermal paste or poor contact between internal components and the heat sink.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Inspect the HF reactor module's fan during operation to confirm it is rotating freely and at full speed.

  2. 2

    Clean the air filters and cooling vents of the control cabinet and the reactor module itself.

  3. 3

    Monitor the load on the drive system (r0067) to identify transient overloads; reduce load if necessary.

  4. 4

    Measure the internal cabinet temperature and compare it to the module's specified maximum operating temperature.

  5. 5

    Check the reactor's internal temperature sensor feedback (r0037, if available) against ambient readings and expected values.

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Datos técnicos verificados. Última actualización: March 2026

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Fuente: Siemens DAsl Diagnostics and Alarms