Honeywell 7800 Series Product Data page 57

value of zero. If the Fault Code is non-
zero, the sequence state field contains
the sequence state code when the lockout
occurred.
7800
Reg-
SERIES
ister
Sequence
40003
State
Fault
code
LOCKOUT
not
zero
UNUSED
0
HISTORY
1 INITIATE
INITIATE
HOLD: AC
2
FREQUEN-
CY/NOISE
INITIATE
HOLD:
3
AC LINE
DROPOUT
INITIATE
HOLD:
4
AC FRE-
QUENCY
INITIATE
HOLD:
5
LOW LINE
VOLTAGE
6 STANDBY
STANDBY
HOLD: REM
7
REMOTE
CONTROL
STANDBY
HOLD:
8
START
SWITCH
STANDBY
HOLD: F/G
9
FLAME DE-
TECTED
STANDBY
10 HOLD: T20
Pre-ignition
STANDBY
HOLD: T7
11
RUNNING
INTERLOCK
STANDBY
HOLD: T7
12
Lockout
Interlock
7800 SERIESS7800A2142 4-Line LCD Keyboard Display Module
String Burn-
Code
Uses Con-
mm:ss
Line Line
State
1 2
Bits
Ta-
8000h
52 ble
22
0 0 0000h
48 0 3 0001h
49 8 4001h
49 9 4001h
49 7 4001h
49 60 4001h
103 0 0002h
104 94 4002h
104 106 4002h
104 35 4002h
104 86 4002h
104 101 4002h
104 54 4002h
Reg-
SERIES
ister
Sequence
40003
er
STANDBY
13
trol
AIRFLOW
SWITCH
HOLD: T19
14
High Fire
DELAY:T19
15
High Fire
Jumprd
HOLD: TEST
16
Run/Test
DELAY: T18
17
Low Fire
Jumprd
HOLD: F/G
18
FLAME DE-
TECTED
19
HOLD: T18
20
LOW FIRE
HOLD: T7
21
Running
Interlock
22
LOCKOUT
INTERLOCK
23
AIRFLOW
SWITCH
24
SWITCH
25 PILOT IGN
HOLD: TEST
26
RUN/TEST
SWITCH
27
SWITCH
28 MAIN IGN
57
String
7800 Code
Line Line
State
1 2
HOLD:
104 13
PURGE
93 40
Switch
PURGE
89 39
PURGE
93 98
Switch
PURGE
89 56
PURGE
93 35
PURGE 87 0
PURGE
93 58
Switch
PuRGE
101
93
PURGE
HOLD:
93 54
PURGE
HOLD:
93 13
PURGE
HOLD:
93 106
START
78 0
PILOT
77 98
PILOT
HOLD:
77 106
START
66 0
Burn-
er
Uses Con-
mm:ss trol
State
Bits
4002h
4004h
4004h
4004h
4004h
4004h
3 0004h
4004h
4004h
4004h
4004h
4004h
3 0008h
4008h
4008h
3 0010h
32-00110-07