Soft Lockout 7: Return Sensor Fault

Condition

  • Shorted or open return temperature sensor

Possible Cause

  • Shorted or mis-wired return sensor wiring
  • Defecticve return sensor
    • Check sensor / Sensor Ohm Chart (Optional) < Get from Engineering

Check Sensor

Check Display

  • Press Help
  • Press Fault Status
  • Press Sensor Fault

The Sensor Status screen shows the status of all sensors. Possible states include:

  • None: Feature requiring this sensor has not been selected
  • Normal: Sensor is working normally
  • Shorted: Sensor is shorted or is defective
  • Open: There is a break in the wiring between the Control and the sensor or the sensor is defective
  • Out of Range: Sensor is defective or is being subjected to electrical noise
  • Unreliable: Sensor is defective or is being subjected to electrical noise

When a sensor fails “opened” or “shorted” the value is changed to reverse video (background black and value white) “024” or “768” respectively to indicate that there is a fault with the sensor.

#check-sensor