MT-439R plus Alarms |
  
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MT-439R plus Alarms |
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Alarm number 1 indicates that a sensor is damaged, short-circuited, open-circuited or the temperature is outside the sensor operating range. To check which sensor is faulty click the alarm text.
Alarm number 2 indicates an error in the utility power supply voltage readings.
Alarm number 3 indicates sensor 1 temperature is below the minimum value configured in the Setup; alarm number 4 indicates sensor 1 temperature is above the maximum value permitted.
Alarm number 5 indicates the utility power supply voltage is outside the permitted range limits. Click over the alarm text to know if the power supply voltage is above or below the permitted range.
Alarm number 6 indicates the open door indication is ON.
Alarm number 7 indicates the compressor reached the maximum ON time limit and the temperature didn’t reach the control value (setpoint).
See Also
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