DS-2C Outdoor Snow Melting Controller

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The temperature is below 15 degrees F, it is snowing and my sensor hasn’t triggered. What’s wrong?

Check the configuration switch.

You likely have LTC (Low Temperature Cutoff) turned on. This will prevent triggering the snow removal/deicing system below 15 degrees F.

In the on position, the assumption is that snow at very low temperatures tends to be very dry and should not be a problem.

Of course, this is not always the case. If LTC is on, switch it to off.