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Adam JonesSep 2, 2025
What to do if Joannes VENUS BA MS 24- 34 Heater displays return sensor fault?
- LLynn CamposSep 2, 2025
If the Joannes Heater displays 'Return sensor fault,' check the wiring or replace the sensor.
To Next PageTo Next PageWhat to do if Joannes VENUS BA MS 24- 34 Heater displays return sensor fault?
If the Joannes Heater displays 'Return sensor fault,' check the wiring or replace the sensor.
What to do if Joannes VENUS BA MS 24- 34 Heater displays delivery sensor 1 fault?
If the Joannes Heater displays 'Delivery sensor 1 fault,' check the wiring or replace the sensor.
What to do if Joannes Heater has flame present signal with burner off?
If your Joannes Heater displays 'Flame present signal with burner off,' check the ionization electrode wiring. If the issue persists, check the card.
What to do if Joannes Heater shows incorrect system water pressure?
If your Joannes Heater shows 'Incorrect system water pressure,' fill the system if the pressure is too low. If that doesn't solve the issue, check the water pressure switch for damage or connection problems.
What to do if Joannes VENUS BA MS 24- 34 Heater shows fan fault?
If your Joannes Heater displays 'Fan fault,' check the 3-pin connector wiring for the 230V power supply. Then, check the 4-pin connector wiring for the tachometric signal. Finally, inspect the fan itself for any damage.
What to do if Joannes Heater shows exchanger protection intervention?
If your Joannes Heater displays 'Exchanger protection intervention', check the circulating pump to ensure system water circulation. Also, vent the system to remove any air.
What to do if Joannes VENUS BA MS 24- 34 has no flame after ignition stage?
To address a 'No flame after ignition stage' issue in your Joannes Heater, check the position of the ionization electrode and replace it if necessary. Also, inspect the burner for any instability. Check the Offset adjustment at minimum power of the gas valve. Clear any obstructions from the flue, fume extraction ducts, air inlet, and terminals. Finally, inspect the trap and clean it if necessary.
What to do if Joannes Heater shows overtemperature protection intervention?
If your Joannes Heater displays an 'Overtemperature protection intervention,' start by checking the heating sensor's position and operation. Next, verify water circulation in the system by inspecting the circulating pump. Finally, vent the system to remove any air.
General guidelines and requirements for boiler installation.
Guidelines for selecting a suitable location for boiler installation.
Instructions for connecting the boiler's water and heating circuits.
Procedure for connecting the gas supply to the boiler.
Guidelines for safely connecting the boiler to the electrical supply.
Details on connecting fume ducts, including coaxial and separate pipe systems.
Procedures for adjusting boiler settings and parameters.
Steps for converting the boiler to use a different type of gas.
Explanation of fault codes, diagnostic procedures, and error messages.
Table detailing fault codes, their possible causes, and corrective actions.
General