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The CB120Z outputs the current displayed message as well as the historical lockout messages as
numbers. The table below correlates the message number with the actual displayed text message.
Table 10:
DEC
HEX
STATE
CB120Z MESSAGES
1
1
L
M-D LOW LIMIT OPEN - AUTO
2
2
H
HOLD FALSE FLAME- STANDBY
3
3
R
LOW FIRE PURGE
4
4
H
HOLD M-8 LIMIT OPEN - PURGE
5
5
H
See Interlock Annunciation Message Table
6
6
H
M-D LOW LIMIT - AUTO
7
7
L
LOCKOUT FLAME FAIL - PTFI
8
8
R
T16 INPUT CLOSED
9
9
H
HOLD M-D LIMIT OPEN
10
A
R
IGNITION TIMING - PTFI
11
B
C
CHECK FLAME SIGNAL - MTFI
12
C
R
FLAME SIGNAL - AUTO
13
D
R
CYCLE COMPLETE - POST PURGE
14
E
R
L1-3 OPEN
91
E
R
L1-3 CLOSED (Z MODEL ONLY)
15
F
R
T21 INPUT CLOSED
16
10
L
LOCKOUT M-D LIMIT OPEN - PTFI
17
11
L
LOCKOUT M-8 LIMIT OPEN
18
12
L
LOCKOUT M-D LIMIT OPEN
19
13
L
LOCKOUT FLAME FAIL - MTFI
20
14
L
LOCKOUT FALSE FLAME
21
15
L
LOCKOUT 3-P INTLK OPEN (PURGE)
22
16
L
LOCKOUT 3-P INTLK CLOSED
23
17
H
HOLD 3-P INTLK CLOSED - STANDBY
24
18
H
HIGH FIRE PURGE
25
19
L
LOCKOUT M-D LIMIT OPEN - MTFI
26
1A
L
LOCKOUT 3-P INTLK OPEN -AUTO
27
1B
L
LOCKOUT 3-P INTLK OPEN - MTFI
28
1C
L
LOCKOUT 3-P INTLK OPEN - PTFI
29
1D
L
LOCKOUT T13 FVES OPEN - STANDBY
30
1E
L
LOCKOUT 3-P INTLK OPEN - PREPURGE
31
1F
C
CHECK FLAME SIGNAL - PTFI
32
20
C
CHECK M-8 HI LIMIT (HI FIRE PURGE)
33
21
C
CHECK M-D LOW LIMIT (LO FIRE START)
34
22
R
FLAME SIGNAL- PTFI
35
23
C
CHECK LOW FIRE SIGNAL - AUTO
36
24
R
FLAME SIGNAL - MTFI
37
25
L
LOCKOUT FLAME FAIL (AUTO)
38
26
H
HOLD 3-P INTLK OPEN - PREPURGE
39
27
L
LOCKOUT FUEL VALVE STATE CHANGE
Summary of Contents for CB120Z
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