What does error code E3 mean on the Zibro Kamin SRE 155 heater and how can it be resolved?

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The error code E3 on Zibro Kamin heaters, including the SRE 155, indicates a problem with fuel quality or fuel contamination. This display signals that the heater detects poor quality fuel, contaminated with impurities or water, which hinders its normal operation.

To resolve this issue, start by checking the quality of the fuel used. Completely drain the tank of the SRE 155 (capacity 5 liters) and dispose of any remaining fuel. Also, clean the needle filter, which regularly accumulates impurities from the fuel. Then refill the tank with quality heating oil, preferably from a reputable brand (such as Zibro Plus), rather than cheap or questionable quality fuel.

If the E3 code persists after changing the fuel and cleaning the needle filter, drain the tank again and let the fuel pump run to completely purge the circuit. An accumulation of water or sediment in the fuel supply system can also trigger this error. In this case, a more thorough cleaning of the air filter and combustion chamber may be necessary.

Prevent this type of problem in the future by storing fuel under optimal conditions: in a sealed container, protected from moisture and dust. The SRE 155 operates correctly with a power of 1.5 to 3.5 kW for spaces up to 100 m², provided the fuel is of good quality. If the error reappears regularly after these operations, contact a professional or Zibro Kamin customer service to check the condition of the fuel supply system.

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