Ariston M1 10L FF Service Manual page 52

28
29
30
31
32
33
34
35
99
Flameout or 01
flue blocked
02
during running
"E2"
03
04
05
06
07
08
09
10
11
12
13
Technical Manual for DGI
Fault of sensing probe:
Bad contact
Fault of sensing probe:
Carbon deposit
Distance between sensing probe and flame
or is too large
Fault of igniter
There's no grounding for main control board Re-grounding
Parameters of main control board is on the
low side
Drift of parameter of main control board
Fault of main control board
Other causes
Air source: stop supplying
Air source：liquefied gas is run out or too
much residue
Air source：caliber of external gas valve is
undersized or not completely open, which
may cause insufficient fuel gas flow
Air source： insufficient fuel gas flow caused
by block of external gas pipe
Air source： insufficient fuel gas flow caused
by undersized external fuel gas pipe of
connector
Small air pressure
Unstable air pressure
Flame-out phenomenon
excessive air pressure
Non-conforming air source
Bad and impure air quality
Air mixed into fuel pipe (new residential
housing/recent moving in)
Insufficient air volume
combustion: improper installation inside
cabinet, which causes insufficient oxygen
supply
Non-conforming
caused
required
installation: distance Re-installation
- 52 -
Re-connect
Clean or replace
Replace
Adjust
Adjust
Replace
Other causes
Explain and give directives
Explain and give directives
Explain, improve external
air pipe or adjust mixing
ratio of fuel gas and air
Explain, coordinate with
relevant authorities or
adjust mixing ratio of fuel
gas and air，
by
Use another air source
Explain, adjust mixing ratio
of fuel gas and air
Evacuate air and then carry
out commissioning
by
Re-installation