DS 5 Outdoor Snow Melting Controller

The DS5 has 2 x 30amp relays that are useful when you are heating both your driveway/walkway/stairs or even your roof/gutter at the same time. No need for separate controllers to do both jobs.


Take a look at the wiring configuration of the DS-5.  Click “Read More” for details.

General Troubleshooting

A couple of points to always keep in mind when making adjustments to your DS-5.  Click “Read More” for reminders.

Settings and Programming

Take a look at the inside of the DS-5 and preview the setting options available.  Click “Read More” for details.

My sensor just sits there. What could be wrong?

Try these simple troubleshooting tips to isolate what the issue could be.  Click “Read More” for details.

My sensor is triggered but no voltage is coming out of the load leads.

You have correctly wired the DS2 to your power source as evidenced by the fact that the sensor powers on but your mat has not been correctly wired to the DS.

Mounting and Installation

Here you will find some helpful tips for the successful installation of your snow melting controller.  Click “Read More” for details.

Installation Example

Take a look at an actual installation example.  Click “Read More” for details.

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

You may need to change the setting for the “Low Temperature Cutoff – LTC.”  Click “Read More” for an explanation.

After a deicing cycle is complete my pavement still has some snow on it. Why?

This could indicate that you need to adjust your trigger temperature setting.  Click “Read More” to learn how to do this.

Does the ASE snowmelt controller have built in GFCI?

No, the ASE series does not have built in GFCI. Please click “Read More” for details. 

Why does my sensor trigger without precipitation?

This could indicate your sensor needs to be cleaned.  Click “Read More” for instructions.

Why does my DS unit not operate the way I expect it to?

Ever loyal, it will do what you programmed it to.  You will need to review your settings.  Click “Read More” for suggestions.

Which snow melting controller is best for me: DS2, DS5, DS8 or ET02?

If you don’t know which snow melting controller is best suited for your needs, read this article.

The sensor relay is closed but the deicing system is not running. Why?

A good place to begin troubleshooting is at your breaker or contactor.  Click “Read More” for details.