DIGITEN DTC-151 Посібник - Сторінка 9

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Troubleshooting

If you have a problem with thermostat, there's usually a quick and simple

solution.

Green LED flash when power on

It is a normal phenomenon, Delay Starting Protection function for Refrigerating

Compressor is working. you could enter Setup Mode directly, or wait 3

minutes(base on DP setting value) until it doesn't flash green light before

setting the temperature controller.

When temperature sensor is in short-circuited or open-circuited, the controller

will prompt sensor fault mode, and the buzzer will alarm, and LED displays

Err. Buzzer alarm could be dismissed by pressing any key. After faults solved,

the system will return to normal working mode. So make sure that the sensor

is plugged into the hole fully, if it still displays Err, you can change another

sensor.

When current temperature exceeds the measuring range (less than -40°C /-40°

F or higher than 120 °C/248 ° F), the controller will prompt over-temperature

alarm mode, and cancel all the actions. The buzzer will alarm, LED displays

HL. Buzzer alarm could be dismissed by pressing any key. When temperature

returns to measuring range, the system will return to normal working status.

1.Please make sure the setting value is correct. If thermostat works fine, the

green LED(RUN) is on.

2.Please check if the loading is contacted reversely to heating or cooling

outlet.

If thermostat does not operate properly after trying the troubleshooting steps,

please send your questions to our email: [email protected].

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