Ecoflam BLU 170 - FAULT DISPLAY MESSAGES; DLG 976 Fault Codes; DMG 972 Fault Codes; COMBUSTION CHAMBER

LB 429 Blu 170 ÷ 350 P /P AB B
pag.15
Message Flash-Code
waiting for air proving ❘ ❘.
switch
pre-purge (tv1) ❘ ❘ ❘ .
pre-ignition (tvz) ❘ ❘ ❘ ❘.
safety time (ts) ❙ ❘.
delay 2nd stage (tv2) ❙ ❘ ❘ .
running ❘ _
low mains voltage ❘ ❙ ❙ _
Flash-Code Key
short pulse ❘
long pulse ❙
short pause .
long pause _
Error diagnosis
Error message Flash-Code Possible fault
lockout ❘ ❙ ❙ ❙ ❙ within lock out safety time
safety time no flame establishment
air proving switch ❘ ❙ ❘ ❘ ❘ air proving switch
in closed position contact welded
air proving switch ❘ ❘ ❘ ❙ ❙ air proving switch does not
time-out close within specified time
air proving switch ❘ ❘ ❘ ❘ ❙ air proving switch opens
opened during start or operation
loss of flame ❙ ❙ ❙ ❙ ❘ loss of flame during operation
Flash-Code for manual lock out
manual/external ❘ ❘ ❙ ❙ ❙ ❙ ❙ ❙ ❙ ❙
lock out
FAULT DISPLAY MESSAGES
On burner failure the red LED is permanently illuminated for a period of approximately 10 seconds, followed by a brief
“dark phase”, then one of the following flash codes will indicate the cause of the fault. This indication will repeate as
long as the lockout reset button is not reset.
Error diagnosis
Error message Flash-Code Possible fault
lockout ❘ ❙ ❙ ❙ ❙ within lock out safety time
safety time no flame establishment
stray light ❘ ❘ ❙ ❙ ❙ stray light
during monitored phase,
detector may be faulty
air proving switch ❙ ❙ ❘ ❘ ❘ air proving switch
in closed position contact welded
air proving switch ❘ ❘ ❘ ❙ ❙ air proving switch does not
time-out close within specified time
air proving switch ❘ ❘ ❘ ❘ ❙ air proving switch opens
opened during start or operation
loss of flame ❙ ❙ ❙ ❙ ❘ loss of flame during operation
Flash-Code for manual lock out
manual/external ❘ ❘ ❙ ❙ ❙ ❙ ❙ ❙ ❙ ❙
lock out
DLG 976
DMG 972
Longueur chambre de combustion
d = diam tre chambre de combustion
12
24 40 70 100 190 480 1200 2450
0,1
0,2
0,3
0,4
0,5
0,6
1,0
2,0
3,0
4,0
d=0,5
(b)
(a)
kW
d=0,8
d=0,7
d=0,6
d=0,4
d=0,3
d=0,225
The burners have been certified in combu-
stion chambers designed according to EN
676 standards. In case the combustion
chamber where the burner is to be installed
have smaller dimensions, consult burner’s
manufacturer.
- The installation must be carried out
according to the local provisions
COMBUSTION CHAMBER