How to eliminate F21 error in boiler Ferroli?
- Error: F21
- Description: Card parameter anomaly
- Cause:
- Solution: – Bad card parameter configured
More tips
If you cannot solve the error of the Ferroli boiler, we recommend that you contact the nearest service or specialist center.
Other error codes in Ferroli boiler
Errors or Error Codes for Ferroli Boiler
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Error F66 in Ferroli boiler
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Error F52 in Ferroli boiler
How to eliminate F52 error in boiler Ferroli? Error: F52Description: Heating sensor anomalyCause: Solution: - Change the sensor. More tips If you have problems solving an error in your Ferroli ...