Installation manual

45
SOLUTIONS
2) Check and replace defective parts 13) check the efficiency of the safety thermostat. If it
works the boiler is overheating: check water level,
expansion tank efficiency and thermal probe
3) Replace the wire
4) Replace
5)Check with selector ON the correct
visualization on the display. If it is off, replace
the small drive printed board
15)check the properly connection and replace if
necessary
6) check and/or drain air in the ducts 16) perform the cleaning as descriptive on par. 3.16
7) clean the burner
8) check 17) see point 16
9) reset the appliance 18) Check the installation project with an engineer
10) Check the exact connection and replace if
necessary
19) Check the electric connections
20) clean or replace
11) Replace the gas valve 21)clean
12) Check it’s on and replace if necessary 22) check the network and burner pressure
23) Perform combustion test