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7800 SERIESS7800A2142 4-Line LCD Keyboard Display Module
59
32-00110-07
Reg-
ister
40003
7800
SERIES
Sequence
State
String
Code
Uses
mm:ss
Burn-
er
Con-
trol
State
Bits
Line
1
Line
2
77
UNUSED
0
0h
78
UNUSED
0
0h
79
UNUSED
0
0h
80
UNUSED
0
0h
81
STANDBY
HOLD (EA):
VALVE CLO-
SURE
184 109
4002h
82
STANDBY
HOLD (EA)
OTHER PII
184 75
4002h
Table 20. 7800 SERIES Sequence State Codes and
Associated register code values.
7800 SERIES String Codes
Table 21 contains a listing of all string
codes provided by the S7800 Keyboard
Display Module or similar device.
String Code
String
0
(blank)
1
1
2
1-1
3
1-2
4
1-3
5
1-4
6
1-5
7
AC FREQUENCY
8
AC Frequency/Noise
9
AC LINE DROPOUT
10
AC PHASE
11
ACCESSORY FAULT
12
AIRFLOW SW. ON
13
AIRFLOW SWITCH
14
ATOMIZING SW
15
AUX INTERLOCK #4
16
AUX INTERLOCK #5
17
AUX LIMIT #1
18
AUX LIMIT #2
19
AUX LIMIT #3
20
BLOCK INTAKE
21
BOTH FUELS SELECT
22
BURNER OFF
23
BURNER SWITCH
24
CALL SERVICE
String Code
String
25
CIRCUIT FAULT
26
COMB. PRESSURE
27
CONTROL ON
28
DELAYED MV ON
29
DEVICE SPECIFIC
30
EA HOLD MESSAGES
31
UNKNOWN STATE
32
FLAME AMP TYPE
33
FLAME AMP/SHUTR
34
FLAME AMPLIFIER
35
FLAME DETECTED
36
FLAME TOO STRONG
37
FLAME-OUT TIMER
38
FUEL SELECT OFF
39
HIGH FIRE JUMPERED
40
HIGH FIRE SWITCH
41
HIGH GAS PRESSURE
42
HIGH LIMIT
43
HIGH OIL PRESSURE
44
HIGH OIL TEMP
45
HOLD SWITCH
46
iGNITION
47
IGNITION ON
48
INITIATE
49
INITIATE HOLD
50
JUMPERS CHANGED
51
JUMPERS WRONG
52
LOCKOUT
53
LOCKOUT ILK ON
54
LOCKOUT INTERLOCK
55
LOCKOUT SWITCH
56
LOW FIRE JUMPERED
57
LOW FIRE SW OFF
58
LOW FIRE SWITCH
59
LOW GAS PRESSURE
60
LOW LINE VOLTAGE
61
LOW OIL PRESSURE
62
LOW OIL TEMP
63
LWCO
64
MAIN FLAME FAIL
65
MAIN FLAME IGN.
66
MAIN IGN
67
MAIN IGN HOLD
68
MAIN TRIAL
69
MAIN VALVE ON