Product Overview

S7810M MODBUS™ MODULE
65-0249—07 16
7800 SERIES Fault Codes
Table 17 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.
183 Jumper 3 Clipped)
184 STANDBY HOLD (EA)
185 PURGE HOLD (EA)
186 PILOT HOLD (EA)
187 MAIN IG HOLD (EA)
188 RUN HOLD (EA)
189 POSTPURGE HOLD (EA)
190 PREIGNITION HOLD (EA)
191 -SKIPPED-
192 DEMAND T6 = 0
193 DEMAND T6 = 1
194 PILOT VALVE T8 = 0
195 PILOT VALVE T8 = 1
196 INTERMIT PV T8 = 0
197 INTERMIT PV T8 = 1
198 MAIN VALVE1 T9 = 0
199 MAIN VALVE1 T9 = 1
200 VP SWITCH T16 = 0
201 VP SWITCH T16 = 1
202 MAIN VALVE2 T17 = 0
203 MAIN VALVE2 T17 = 1
204 INTRUPTD PV T21 = 0
205 INTRUPTD PV T21 = 1
206 DELAYED MV T21 = 0
207 DELAYED MV T21 = 1
208 START SW T21 = 0
209 START SW T21 = 1
210 VP START
211 VP MV2 ON
212 VP LOW DLY
213 VP LOW TST
214 VP MV1 ON
215 VP HIGH DLY
216 VP HIGH TST
217 VP SETUP NEEDED
218 MAIN VALVE 1 OFF
219 MAIN VALVE 2 OFF
220 MAIN VALVE 1 ON
221 MAIN VALVE 2 ON
222 VPS OFF
223 VPS ON
224 HIGH CYCLE RATE
Table 16. 7800 SERIES String codes. (Continued)
String Code String
Table 17. 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 16)
0 Blank (no fault) 0
1 FAULT 1: NO PURGE CARD 73
2 FAULT 2: AC FREQUENCY/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: PREIGNITION 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 71
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: PREIGNITION 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