Honeywell 7800 Series Product Data page 59

7800
Reg-
SERIES
ister
Sequence
40003
State
77 UNUSED
78 UNUSED
79 UNUSED
80 UNUSED
STANDBY
HOLD (EA):
81
VALVE CLO-
SURE
STANDBY
82 HOLD (EA)
OTHER PII
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
7800 SERIESS7800A2142 4-Line LCD Keyboard Display Module
String Burn-
Code
Uses Con-
mm:ss
Line Line
State
1 2
Bits
0
0
0
0
184 109 4002h
184 75 4002h
String Code
er
25
26
trol
27
28
0h
29
0h
30
0h
31
0h
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
59
String
CIRCUIT FAULT
COMB. PRESSURE
CONTROL ON
DELAYED MV ON
DEVICE SPECIFIC
EA HOLD MESSAGES
UNKNOWN STATE
FLAME AMP TYPE
FLAME AMP/SHUTR
FLAME AMPLIFIER
FLAME DETECTED
FLAME TOO STRONG
FLAME-OUT TIMER
FUEL SELECT OFF
HIGH FIRE JUMPERED
HIGH FIRE SWITCH
HIGH GAS PRESSURE
HIGH LIMIT
HIGH OIL PRESSURE
HIGH OIL TEMP
HOLD SWITCH
iGNITION
IGNITION ON
INITIATE
INITIATE HOLD
JUMPERS CHANGED
JUMPERS WRONG
LOCKOUT
LOCKOUT ILK ON
LOCKOUT INTERLOCK
LOCKOUT SWITCH
LOW FIRE JUMPERED
LOW FIRE SW OFF
LOW FIRE SWITCH
LOW GAS PRESSURE
LOW LINE VOLTAGE
LOW OIL PRESSURE
LOW OIL TEMP
LWCO
MAIN FLAME FAIL
MAIN FLAME IGN.
MAIN IGN
MAIN IGN HOLD
MAIN TRIAL
MAIN VALVE ON
32-00110-07