Product data

7800 SERIES S7800A1142 KEYBOARD DISPLAY MODULE
65-0288-1 46
7800 SERIES Fault Codes
Table 23 is a complete list of fault codes that may appear in the
fault code register. The Fault String Code register will contain
the corresponding String code identified in the table.
Table 23. 7800 SERIES Fault Codes.
Fault
Code
(Reg
40001)
Fault Message
(NOTE: FAULT n: is not in
the Fault and Strings Code)
Fault
String
Code
(Table 22)
0 Blank (no fault) 0
1 FAULT 1: NO PURGE CARD 73
2 FAULT 2: AC FREQUENY/NOISE 8
3 FAULT 3: AC LINE DROPOUT 9
4 FAULT 4: AC FREQUENCY 7
5 FAULT 5: LOW LINE VOLTAGE 60
6 FAULT 6: PURGE CARD ERROR 88
7 FAULT 7: FLAME AMPLIFIER 34
8 FAULT 8: FLAME AMP/SHUTR 33
9 FAULT 9: FLAME DETECTED 35
10 FAULT 10: PRE-IGNITION ILK 85
11 FAULT 11: RUNNING ILK ON 100
12 FAULT 12: LOCKOUT ILK ON 53
13 FAULT 13: AIRFLOW SW. ON 12
14 FAULT 14: HIGH FIRE SWITCH 40
15 FAULT 15: FLAME DETECTED 35
16 FAULT 16: FLAME-OUT TIMER 37
17 FAULT 17: MAIN FLAME FAIL 64
18 FAULT 18: FLAME DETECTED 35
19 FAULT 19: MAIN FLAME IGN. 65
20 FAULT 20: LOW FIRE SW OFF 57
21 FAULT 21: RUNNING ILK 99
22 FAULT 22: LOCKOUT ILK 54
23 FAULT 23: AIRFLOW SWITCH 13
24 FAULT 24: CALL SERVICE 24
25 FAULT 25: CALL SERVICE 24
26 FAULT 26: MAN-OPEN SW. OFF 70
27 FAULT 27: START SWITCH ON 107
28 FAULT 28: PILOT FLAME FAIL 76
29 FAULT 29: LOCKOUT ILK 54
30 FAULT 30: RUNNING ILK 101
31 FAULT 31: LOW FIRE SW OFF 57
32 FAULT 32: AIRFLOW SWITCH 13
33 FAULT 33: PRE-IGNITION ILK 85
34 FAULT 34: CONTROL ON 27
35 FAULT 35: CALL SERVICE 24
36 FAULT 36: CALL SERVICE 24
37 FAULT 37: CALL SERVICE 24
38 FAULT 38: CALL SERVICE 24
39 FAULT 39: CALL SERVICE 24
40 FAULT 40: CALL SERVICE 24
41 FAULT 41: MAIN VALVE ON 69
42 FAULT 42: PILOT VALVE 1 ON 80
43 FAULT 43: IGNITION ON 47
44 FAULT 44: PILOT VALVE 2 ON 81
45 FAULT 45: LOW FIRE SW OFF 57
46 FAULT 46: FLAME AMP TYPE 32
47 FAULT 47: JUMPERS CHANGED 50
48 FAULT 48: DELAYED MV ON 28
49 FAULT 49: MAN-OPEN SW. ON 71
50 FAULT 50: JUMPERS WRONG 51
51 FAULT 51: FLAME TOO STRONG 36
52 FAULT 52: CALL SERVICE 24
53 FAULT 53: LOCKOUT SWITCH 55
54 FAULT 54: COMB. PRESSURE 26
55 FAULT 55: PURGE FAN SW ON 91
56 FAULT 56: BLOCK INTAKE 20
57 FAULT 57: PURGE FAN SW OFF 90
58 FAULT 58: COMB. PRESS/FLAME 26
59 FAULT 59: CALL SERVICE 24
60 FAULT 60: CALL SERVICE 24
61 FAULT 61: MV1 OFF 218
62 FAULT 62: MV2 OFF 219
63 FAULT 63: MV1 ON 220
64 FAULT 64: MV2 ON 221
65 FAULT 65: VPS OFF 222
66 FAULT 66: VPS ON 223
67 FAULT 67: AC PHASE 10
68 FAULT 68: PRE-IGNITION ILK 85
69 FAULT 69: CALL SERVICE 24
70 FAULT 70: CALL SERVICE 24
71-75 FAULT 71-75: DEVICE SPECIFIC 29
76-93 FAULT 76-93: ACCESSORY FAULT 11
94-127 FAULT 94-127: CALL SERVICE 24
128 FAULT 128: POOR FLAME SENSOR 82
129–141 FAULT 129-141: CALL SERVICE 24
142
FAULT 68z: OTHER PREIGN ILK
EA
75
143
FAULT 68y: VALVE CLOSURE
EA
109
144
FAULT 33z: OTHER PREIGN ILK
EA
75
145
FAULT 33y: VALVE CLOSURE
EA
109
146
FAULT 32s: OTHER INTERLOCKS
EA
74
147
FAULT 32r: AUX INTERLOCK #5
EA
16
148
FAULT 32q: AUX INTERLOCK #4
EA
15
149
FAULT 32p: AIRFLOW SWITCH
EA
13
Table 23. 7800 SERIES Fault Codes. (Continued)
Fault
Code
(Reg
40001)
Fault Message
(NOTE: FAULT n: is not in
the Fault and Strings Code)
Fault
String
Code
(Table 22)