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Laura BlairAug 14, 2025
How to fix 'No pellet or STB' error on my ThermoFLUX PELLING 50 ECO?
- AAnthony ButlerAug 15, 2025
If your ThermoFLUX Boiler displays a 'No pellet or STB' error, first refill the pellet tank. Then, deactivate the STB.
How to fix 'No pellet or STB' error on my ThermoFLUX PELLING 50 ECO?
If your ThermoFLUX Boiler displays a 'No pellet or STB' error, first refill the pellet tank. Then, deactivate the STB.
Why is my ThermoFLUX PELLING 50 ECO Boiler showing an exhaust fan error, HALL sensor error, and STB activated?
This error indicates that the ThermoFLUX Boiler temperature has exceeded 90°C. Allow the boiler to cool down, and then reset the STB.
What to do if my ThermoFLUX PELLING 50 ECO shows a 'High temperature' error?
If your ThermoFLUX Boiler displays a high temperature error, it could be due to a crowded burning pot or a dirty boiler. Try cleaning the boiler and ensure the burning pot is not overcrowded.
What to do if my ThermoFLUX PELLING 50 ECO Boiler displays 'Not fire on'?
If your ThermoFLUX Boiler isn't igniting, here are a few things to check: 1. Verify the pellet quality. 2. Ensure there are pellets in the pellet tank. 3. Confirm the pellet burner pot is correctly positioned. 4. Clean the burning pot. 5. Check if the igniter is functioning.
What to do if my ThermoFLUX Boiler displays 'Under pressure/ Door open(Pelling 25)'?
If your ThermoFLUX Boiler (Pelling 25) is showing an under-pressure or door open error, you can try the following: 1. Ensure that all doors are completely closed. 2. Clean the burning pot and exhaust pipes. 3. Check for any blockage in the chimney. It may also indicate a Presostat (Underpressure sensor) error.
What to do if my ThermoFLUX PELLING 50 ECO Boiler displays 'Flame sensor error'?
If your ThermoFLUX Boiler is showing a flame sensor error, check the contacts.
What to do if my ThermoFLUX PELLING 50 ECO Boiler displays 'Room Temperature Sensor error (only Minitherm air)'?
If your ThermoFLUX Boiler (Minitherm air) shows a Room Temperature Sensor error, check the contacts.
What to do if my ThermoFLUX PELLING 50 ECO Boiler displays 'Boiler water sensor (Pelling 25 and Minithem AQUA)' error?
If your ThermoFLUX Boiler (Pelling 25 and Minithem AQUA) displays a Boiler water sensor error, check the contacts on the boiler.
What to do if my ThermoFLUX PELLING 50 ECO displays 'Door open'?
If your ThermoFLUX Boiler indicates that the door is open, make sure to close the door properly.
Covers correct usage, system principles, and operational modes to ensure safe boiler function.
Highlights potential hazards such as carbon monoxide and burns from hot surfaces.
Explains critical safety symbols including electrical shock, fire, and frost dangers.
Details accessing and adjusting advanced parameters for combustion and ignition control.
Lists the prerequisites and checks necessary before the boiler can be installed and commissioned.
Explains connections for power supply, pump, and external requests like room thermostats.
Details key safety components like STB, fuse, and main switch for boiler protection.
Provides a comprehensive guide to error codes, their meanings, and corrective actions.
Explains the STB's function, reset process, and location of the main fuse.
Details the necessary modifications and components for converting the boiler to wood fuel.
Explains the manual ignition and operational steps for burning wood in the boiler.
General| Nominal heat output | 50 kW |
|---|---|
| Minimum heat output | 15 kW |
| Efficiency | 92% |
| Hopper capacity | 300 kg |
| Maximum operating pressure | 3 bar |
| Weight | 170 kg |
| Power Supply | 230 V / 50 Hz |
| Fuel | Wood pellets (EN 14961-2, class A1) |
