Frequently Asked Questions





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Frequently Asked Questions

Do Danfoss programmers automatically swap between winter and British summer time?

No. As a general rule pressing the plus (+) or minus (-) button will toggle between winter and British summer time.

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I can set my 103E5 (GP Timeswitch) and go through all the functions but it still does not work. What does this mean?

If the programmer is failing to work there is no mains power getting to the unit. Check the mains power supply.

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I have a 103E7 / 102E7 but the instructions on your web site do not correspond?

There are older versions of the 103E7 and 102E7 (purchased before 1994) which pre-date the instructions on the website.

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Is it possible for wireless thermostats to interfere with each other?

No. These devices use unique identity coded radio signals that ensure secure communications.

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Is it possible for wireless thermostats to be interfered with by other wireless products in the home?

No. These devices use unique identity coded radio signals that ensure secure communications.

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Where can I get a replacement slider switch for the 922?

Replacement slider switches for the 922 are not available. A direct plug-in replacement for the 922 and 972 is the FP975.

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Can I purchase just the motor/micro switch for the HSA3 or HPA2?

There are no internal spare parts available for actuators. A new actuator will have to be purchased.

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The battery symbol on my FP715, CP715, TS715, 103E7, FP975 is flashing.

For these models of programmers, the battery is used as a back-up power reserve to hold the programmed settings during a power-cut. If the battery symbol is flashing then this means that the mains power is not getting to the unit. You will need to check the mains power supply to the unit. The battery is non-replaceable as it is soldered into the unit.

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Where can I get a replacement battery for a Randall 702?

The battery in the 702 programmer is only used to hold the programmed settings during a power-cut. If there is a power-cut you will have to re-programme the unit. The Varta 600DK battery is no longer available. Varta stopped manufacturing it 10 years ago, and we cannot source a replacement manufacturer.

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I am looking for a direct replacement control that can be simply plugged onto my existing wallplate.

Click below to find the most suitable option.

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How do I commission my RF product?

Click here to find out how to pair a wireless thermostat to an RX receiver.

A very safe and reliable choice

Our products are subjected to rigorous testing during every step of the manufacturing process to ensure that only flawless products reach our customers. What is more, our product range is compatible to enable our customers to put together well balanced heating systems.

Our products offer high performance levels and are designed to have long lifetimes.

Together this makes Danfoss products the prefered choice for consulting engineers and installers worldwide.