Troubleshoot error code “F21” in Ferroli boiler

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

Errors or Error Codes for Ferroli Boiler

When it comes to keeping our home warm and comfortable, boilers play a crucial role, especially during the colder months. However, like any other household appliance, boilers can experience technical ...
Troubleshoot error code "F66" in Ferroli boiler

Troubleshoot error code “F66” in Ferroli boiler

How to eliminate F66 error in boiler Ferroli? Error: F66Description: ABM03 switchboard anomalyCause: Solution: - Internal error of the abm03 switchboard- Control the ground connection and change the switchboard if ...
Troubleshoot error code "F52" in Ferroli boiler

Troubleshoot error code “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 ...