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Siemens Thermostat Troubleshooting - PartsAPS

siemens thermostat troubleshooting

Siemens is a brand known for its durability and reliability in providing thermostats. Siemens offers single room and multi-room thermostats with different features to best suit your heating and cooling needs. Whether you have a single room or a multi-room Siemens thermostat, it may get trouble sometimes. If your Siemens thermostat is not working properly, do not assume that it is broken immediately. Siemens thermostat troubleshooting is not difficult to determine the problem and solve it. However, you can save time and money by looking for basic problems and unknown conditions. 

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Siemens Thermostat Troubleshooting

Have a look at this section to get details on your thermostat problems and their solutions.

Siemens Thermostat RDJ10/RDJ10RF Not Working

When your Siemens thermostat has gone completely and there is no heat in the house, first check the batteries and then follow this procedure to resolve the issue.

  • Ensure that the thermostat has its vertical switch set to "run" position and the horizontal switch set to "auto".
  • Loosen the thermostat screw which holds it to the wall and take it to the boiler.
  • On the wall unit next to your boiler, you can see buttons "Set" and "Reset". Press and hold the reset button for approximately four seconds until the orange light begins to flash. Now, you have to press the "Set" button then on the same device.
  • Next, click on the learn button which is on the back of the thermostat try to be a good meter away from the wall boiler. The lights should be flashed and then turn to green.
  • Now, press the "Test" button on the back of the unit that sends a test signal to the boiler. Then, the green light should flash again. When this situation comes again, you need to click the "Test" button again to switch off the test signal.

When your problem is not solved with the Siemens RDJ10RF change battery, you can follow this process for proper working.

Siemens RDH10RF Thermostat Battery Change

If your thermostat batteries are damaged, then you have to replace them with new ones. Most people don’t aware of Siemens RDJ10RF change battery/ Siemens RDH10RF thermostat battery change. So, if you are also one of them, you can get the steps here.

Get two new batteries which you want to change. Pull out the battery compartment in the unit quickly and remove the old batteries. After that, insert new batteries and replace the battery compartment. Once you have replaced, you should check the original values whether set correctly or not.

How to Set your Siemens Thermostat?

Make sure that you have to set your thermostat in the right way to avoid problems. So, let's have a look at this content to find the right way to set the Siemens thermostat.

First, locate the "mode" switch on the front of your thermostat. Next move that switches into the appropriate position to access the required mode. You need to select between Fan, Heat, or Cool modes.

Now rotate the "set point adjustor" knob on the Siemens thermostat to set the equipment to the desired temperature in both Celsius and Fahrenheit.

Next, you have to set the fan speed for the thermostat.  Turn the fan speed switch located just above the mode switch. Finally, you can move the switch into the required position of the low, medium, high, and off modes.

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Along with the troubleshooting tips, you have to clean the unit. Usually, dust and dirt will cause inaccurate temperature readings. To clean your Siemens thermostat, remove the cover and clean the lightly dusted metal coils and contact plates. Cleaning the contact plates are somewhat difficult. So, slip a piece of paper in between the slide the paperback and forth for cleaning them. Always remember to use a soft brush while cleaning the thermostat.

No heat from the furnace

When the thermostat is failing to control the heating system, this problem may occur. The causes include a tripped breaker or a loose connection will lead to thermostat failure.

To check the breaker, you have to go to your breaker box and look for it powers the equipment. If you found that the breakers are tripped, turn them back on. To check for loose wire connections, remove the cover of the thermostat, and verify all wire terminals. Ensure that the wires are all connected properly and no loose connections.

Sometimes, programmable problems will lead to Siemens thermostat failure. So, check the instructions provided in your Siemens thermostat manual and fix them.

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This Siemens thermostat troubleshooting guide will help you more to fix the problems and helps to avoid issues. Stay in touch with PartsAPS to get more troubleshooting guides on your HVAC equipment. If you want to replace the thermostat, you can buy Siemens thermostats at PartsAPS. We provide you all genuine and original HVAC equipment parts at a low cost.

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