Low-voltage alarm solution for temperature control unit

1. Common causes of low-voltage alarms

The low-voltage alarm for integrated high and low temperature machines is usually triggered by the following situations:

1. Insufficient refrigerant: System leaks or prolonged lack of refrigerant can cause low pressure.

2. System blockage: Filters or expansion valves become blocked, hindering refrigerant flow and reducing pressure.

3. Sensor failure: Pressure sensor is damaged or incorrectly calibrated, falsely reporting low-pressure signals.

2. Targeted solutions

Depending on the reason, the following measures can be taken:

1. Check the refrigerant: If a leak is found, repair the leak and replenish an appropriate amount of refrigerant.

2. Cleaning system: Disassemble and clean filters or expansion valves to ensure pipelines remain clear.

3. Calibration or Sensor Replacement: If the sensor is abnormal, it needs to be recalibrated or replaced with a new part.

3. Daily maintenance recommendations

To avoid frequent low-voltage alarms, it is recommended to perform the following maintenance regularly:

1. Regularly check pressure: Record system operating pressure to promptly detect abnormal trends.

2. Cleaning and maintenance: Keep the equipment clean inside and outside to prevent dust and impurities from entering the system.

3. Professional inspection: Arrange at least one comprehensive inspection per year to ensure all components are in good condition.

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