Hasan Ali ÇOLAK Air Conditioning and Refrigeration Technician
In this article, we will discuss common issues you may encounter with the Demirdöküm Nitromix boiler and their solutions. If you are facing problems not listed here, feel free to leave a comment or contact us via our contact page, and we’ll provide tailored solutions for your specific issues.
Demirdöküm Nitromix User Guide Video
Watch the detailed Demirdöküm Nitromix User Guide Video for a comprehensive understanding of how to use your boiler.
Demirdöküm Nitromix (F28) No Gas Error and Solution
The F28 error indicates a lack of gas supply to the boiler. To resolve this, first ensure that the gas valves both at the entrance of your home and near the boiler are open. Once the gas flow is confirmed, press the reset button on your boiler to reset the system.
If the problem persists after resetting, you will need to contact authorized service for further assistance.
Demirdöküm Nitromix (F29) No Gas / Gas Supply Cut Off Error
The F29 error is similar to the F28 error, signaling an interruption in the gas supply. Reset the boiler, but if the error reoccurs or the boiler fails to restart, contact your authorized service provider as it may require maintenance.
Demirdöküm Nitromix Boiler Leaking Water
If your Demirdöküm Nitromix boiler is leaking water, there could be various reasons. Let’s explore some possible causes and solutions:
- If the leak is coming from the condensation drain, it might be blocked. You or a technician should clear the blockage in the condensate pipe to fix the issue.
- If water is leaking from the sides or bottom of the boiler, it indicates an internal leak. Check that the network water pressure is between 4-5 bar to avoid further problems.
Is Constantly Changing Water Pressure a Problem?
It is normal for the water pressure in the boiler to fluctuate between 1-2 bar due to thermal expansion when the radiators heat up and cool down. However, if the water pressure rises from 1.5 bar to above 2.7 bar when the radiators heat up, it may indicate that your boiler requires maintenance.
Recommended Temperature Settings for Demirdöküm Nitromix Boiler
The radiator temperature on the Nitromix boiler can range between 10-75°C. Radiators typically start to warm up at temperatures above 35°C. You should set the boiler temperature according to the comfort level in your space. For energy efficiency, it’s recommended to use the boiler in winter mode alongside a thermostat.
F73 and F74 Errors and Solutions
The F73 and F74 errors indicate a problem with the water pressure sensor. Check if the sensor cable is disconnected. If the cable is loose, reconnect it. Otherwise, these errors may indicate that the pressure sensor is faulty, in which case, contacting authorized service is the best solution.
Nitromix F75 Error and Troubleshooting
The F75 error points to an issue with the boiler’s pump. To resolve this:
- Check the air in the radiators and bleed them if necessary.
- Ensure that the radiator valves are open.
- Confirm that the water pressure in the boiler is 1.5 bar. If it’s too low, adjust the water pressure accordingly.
If the error persists after these steps, reset the boiler once. If the problem continues, contact authorized service for assistance.
Demirdöküm Nitromix Boiler Activates When Cold Water is Turned On – Solution
If your boiler activates when you turn on the cold water tap, this is likely due to an issue with the cold water inlet. Installing a non-return valve at the cold water inlet should resolve the issue. For detailed solutions, check out our related article: “Solution for Boiler Activating When Cold Water is Turned On.”
