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Burner Control CBR
Tab.3: Status byte EB2 – signal reference (CBR → Master):
(In dependence of Bit 1 (EB0) „burner fault“, either the operating status (State) may be analyzed at
„0“ or the fault code may be analyzed at „1“
(decimal)
Byte
(HEX)
Display
CBR
State Text
0
Fxx
0 Fault – Fault Code
1
01
00
1 Pre-purge
2
02
d3
2 Safety chain interrupted – self resetting
3
03
01
3 Test R1 (Relay SHK is tested for 5 seconds)
4
04
1
4 Watchdog loading phase
5
05
A0
5 Flame: waiting for heat demand
6
06
A1
6 Flame: false flame signal
7
07
A1
7 Flame: idle check air delta-p switch 1
8
08
H1
8
Manual mode pause 1
9
09
A1
9
Flame : air pre-purge
10
0A
A1
10
Flame: Ignition on
11
0B
A1
11
Flame: Ignition off
12
0C
A1
12 Flame: Flame supervision
13
0D
A2
13 Flame: minimum time start mode
14
0E
A2
14 Flame: Start mode (max 24 h)
15
0F
H2
15 Manual mode pause 2
16
10
A3
16 Flame: minimum time flame mode
17
11
A3/H3
17 Flame: Flame operation / manual mode pause
18
12
H4
18 Manual mode pause 3
19
13
A4
19 Flame: Post purge
20
14
A4
20 Flame: Post combustion duration
21
15
A4
21 Flame: Minimum pause flame mode
22
16
b0
22 FLOX: waiting for heat demand
23
17
b1
23 FLOX: idle check air delta-p switch 1
24
18
b2
24 FLOX: air pre-purge
25
19
b2
25 FLOX: Start FLOX mode
26
1A
b2
26 FLOX: Minimum time FLOX mode
27
1B
H6
27 Manual mode: Pause 4
28
1C
b2
28 FLOX: Operation (max. 24h)
29
1D
b4
29 FLOX: Post purge
30
1E
b4
30 FLOX: Minimum pause FLOX mode
31
1F
Pd
31 Air purge: Idle check air delta-p switch 1
32
20
P0
32 Air purge
33
21
d1
33 Excess temperature burner head
34 22
C0
34
Cooling (cooling air)
35
23
d2
35 Start and flame mode not released
36
24
H5
36 Manual mode: Pause 5
37
25
d4
37 False flame during restart attempt
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