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Table 16. 7800 SERIES String codes. (Continued)
String Code
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
70
MAN-OPEN SW. OFF
71
MAN-OPEN SW. ON
72
OPERATING CONTROL
73
NO PURGE CARD
74
OTHER INTERLOCKS
75
OTHER PREIGN ILK
76
PILOT FLAME FAIL
77
PILOT HOLD
78
PILOT IGN
79
PILOT STABALIZE
80
PILOT VALVE 1 ON
81
PILOT VALVE 2 ON
82
POOR FLAME SENSOR
83
POSTPURGE
84
PREIGNITION
85
PREIGNITION ILK
86
PREIGNITION LOCK
87
PURGE
88
PURGE CARD ERROR
89
PURGE DELAY
90
PURGE FAN SW OFF
91
PURGE FAN SW ON
92
PURGE FAN SWITCH
93
PURGE HOLD
94
REMOTE CONTROL
String
13
Table 16. 7800 SERIES String codes. (Continued)
String Code
95
RUN
96
RUN HOLD
97
RUN/LOWFIRE
98
RUN/TEST SWITCH
99
RUNNING ILK
100
RUNNING ILK ON
101
RUNNING INTERLOCK
102
SAFETY CHECK
103
STANDBY
104
STANDBY HOLD
105
START
106
START SWITCH
107
START SWITCH ON
108
TEST STATE
109
VALVE CLOSURE
110
ALL SWITCHES ON
111
RESET/ALARM TEST
112
Run/Test Switch RUN
113
Run/Test Switch TEST
114
Operator Control T6 = 0
115
Operator Control T6 = 1
116
Interlock T7 = 0
117
Interlock T7 = 1
118
Airflow Interlock T7 = 0
119
Airflow Interlock T7 = 1
120
Block Intake T7 = 0
121
Block Intake T7 = 1
122
Valve T8 = 0
123
Valve T8 = 1
124
Intrptd PV T8 = 0
125
Intrptd PV T8 = 1
126
Main Valve T9 = 0
127
Main Valve T9 = 1
128
Ignition T10 = 0
129
Ignition T10 = 1
130
PV Hold T16 = 0
131
PVHold T16 = 1
132
Input A T16 = 0
133
Input A T16 = 1
134
ManOpenSw T17 = 0
135
ManOpenSw T17 = 1
136
Input B T17 = 0
137
Input B T17 = 1
138
PreIgn ILK T17 = 0
139
PreIgn ILK T17 = 1
140
LowFire Sw T18 = 0
141
LowFire Sw T18 = 1
142
Purge Fan T18 = 0
143
Purge Fan T18 = 1
S7810M MODBUS™ MODULE
String
65-0249—4
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