How to solve the dry-type transformer thermostat L model failure

1. Thermostat fan light blinks with buzzer alarm when fan is activated

This phenomenon is a thermostat fan failure alarm, alarm causes fan current imbalance, need to check whether the fan wiring is divided into two access to the temperature control, whether the two fan power is the same, fan start current size is abnormal.

2. Abnormal temperature jumps occur

This phenomenon generally occurs in the running time is relatively old products, due to the temperature control use environment is too hot, or the input power supply is not stable, resulting in the internal capacitance of the thermostat is not stable, it is recommended to replace the thermostat.

3. Thermostat backup light on with buzzer alarm

When this phenomenon occurs, you should first determine the thermostat model and determine which of the following situations the alarm sound corresponds to:

• Check that the transformer travel switch is wired correctly and that the normally open and normally closed are not reversed;
• Check if it is a core over-temperature alarm and if the core temperature is normal;
• Check the sensor for damage, if damaged, the sensor needs to be replaced promptly.