Troubleshooting Error Codes for CV Boilers

When encountering issues with your CV boiler, it is essential to identify the specific error code displayed. Below are common error codes associated with CV boilers, along with troubleshooting steps to resolve them. If the issue persists after following these instructions, please contact our support team for further assistance.

Common Error Codes and Solutions:

1. Error Code E5: Connectivity Issue

   • Description: This error indicates a connectivity issue with the boiler.
   • Troubleshooting Steps:
     1. Reconnect the CV boiler to the electricity supply (reset).
     2. Ensure that the power switch is turned on.
     3. Check for any blown fuses in your electrical panel.
     4. If the error persists, contact our support team.

2. Error Code E3: Overheating

   • Description: This error occurs when the boiler exceeds its maximum operating temperature.
   • Troubleshooting Steps:
     1. Check the thermostat settings and lower them if necessary.
     2. Ensure that the boiler's water levels are adequate.
     3. Inspect for any blockages in the system that may impede water flow.
     4. If the issue continues, please reach out to our support team.

3. Error Code E2: Low Water Pressure

   • Description: This error indicates that the water pressure in the system is too low.
   • Troubleshooting Steps:
     1. Check the pressure gauge; it should read between 1 and 1.5 bar.
     2. If the pressure is low, use the filling loop to add water to the system.
     3. Monitor the system for leaks that may cause pressure loss.
     4. If the problem persists, contact our support team.

4. Error Code E1: Ignition Failure

   • Description: This error indicates that the boiler is unable to ignite.
   • Troubleshooting Steps:
     1. Check that the gas supply is on and there are no gas leaks.
     2. Ensure that the boiler's settings are correct for ignition.
     3. Inspect the ignition electrode for any dirt or damage.
     4. If the boiler still does not ignite, please contact our support team.

5. Error Code E4: Flame Detection Failure

   • Description: This error occurs when the boiler fails to detect a flame during operation.
   • Troubleshooting Steps:
     1. Check the flame sensor for dirt or blockage.
     2. Ensure that there are no obstructions in the flue that could affect combustion.
     3. Restart the boiler and monitor for the error.
     4. If the issue persists, please reach out to our support team.

6. Error Code E6: Sensor Malfunction

   • Description: This error indicates a malfunction in one of the sensors within the boiler.
   • Troubleshooting Steps:
     1. Inspect the sensors for any visible damage or loose connections.
     2. Reset the boiler and see if the error clears.
     3. If the error continues, contact our support team for further assistance.

7. Error Code E7: System Lockout

   • Description: This error indicates that the boiler has entered a lockout state due to multiple faults.
   • Troubleshooting Steps:
     1. Reset the boiler following the manufacturer's instructions.
     2. Review the previous error codes to address any underlying issues.
     3. If the lockout persists, please contact our support team.

Conclusion

For any error codes not listed above or if troubleshooting steps do not resolve the issue, please reach out to our support team for assistance. Our technicians are ready to help you get your CV boiler back in working order.