Incidents And Solutions - Baxi MainEco Combi 24 User Manual

6. Troubleshooting
6.2

Incidents and solutions

Problem
There is no domestic hot water.
The radiators are cold.
The boiler is not working.
The water pressure is too low (<
0.8 bar).
Significant variations in domestic
hot water temperature.
Clicking in the central heating
pipes.
Significant water leak under or
close to the boiler.
20
Probable causes
The boiler is not switched on.
The DHW mode is deactivated.
The water pressure is too low (<
0.8 bar).
The energy-saving shower head is
restricting the water flow.
The DHW temperature setting is too
low.
The heating temperature setting is
too low.
The heating mode is deactivated.
The radiator valves are closed.
The boiler is not switched on.
The water pressure is too low (<
0.8 bar).
The heating water temperature
setting is too low.
The heating temperature setting is
too low.
No power supply.
The water pressure is too low (<
0.8 bar).
An error code appears on the
display.
The gas pressure is too low.
Not enough water in the installation. Top up the installation with water.
Water leak.
Insufficient water supply.
The central heating pipe
connections are too tight.
There is air in the heating pipes.
The water is circulating too quickly in
the central heating system.
The boiler or central heating pipes
are damaged.
Baxi MainEco Combi and System 24 - 28 - 35 / 18 -24
Solution
Check that the boiler is switched on.
4
Check the fuses and switches.
4
Check that the gas valve is fully opened.
4
Activate the DHW mode using a suitable controller.
Top up the installation with water.
Clean the shower head; replace if necessary.
Increase the temperature setting by using the rotary
knob on the control panel or by using a suitable
controller.
Increase the value of parameter p1 using a suitable
controller or, if a room thermostat is connected increase
the temperature.
Activate the heating mode using a suitable controller.
Open the valves on all radiators connected to the
heating system.
Check that the boiler is switched on.
4
Check the fuses and switches.
4
Check that the gas valve is fully opened.
4
Top up the installation with water.
Increase the temperature setting by using the rotary
knob on the control panel or by using a suitable
controller.
Increase the value of parameter p1 using a suitable
controller or, if a room thermostat is connected increase
the temperature.
Check that the boiler is switched on.
4
Check the fuses and switches.
4
Top up the installation with water.
Press the Reset button for 2 seconds.
4
Correct the error if possible.
4
Check that the gas valve is fully opened. Open the gas
valve.
Contact the fitter.
Open the valve.
Contact the fitter.
It is essential that you bleed any air in the calorifier, the
conduits or the taps to prevent the annoying noises
likely to be produced during heating or when tapping
water.
Contact the fitter.
Close the water supply.
4
Contact the fitter.
4
02092014 - 7621607-02