7800 SERIES S7800A KEYBOARD DISPLAY MODULE
43
65-009
0-6
Faul
t
Code
(Reg
40001)
Fault Message
(NOT
E:
FAULT n: is not in the
Faul
t
and Strings Co
de
)
Faul
t
Str
ing
Code
(Table 22)
216
FAULT 23b: AUX LIMIT #2
EA
18
217
FAULT 23a: AUX LIMIT #1
EA
17
218
FAULT 22s: OTHER INTERLOCKS
EA
74
219
FAULT 22r: AUX INTERLOCK #5
EA
16
220
FAULT 22q: AUX INTERLOCK #4
EA
15
221
FAULT 22p: AIRFLOW SWITCH
EA
13
222
FAULT 22o: LOW GAS PRESSURE
EA
59
223
FAULT 22n: HIGH GAS PRESSURE
EA
41
224
FAULT 22m: ATOMIZING
SW
EA
14
225
FAULT 22k: LOW OIL TEMP
EA
62
226
FAULT 22j: HIGH OIL
TE
MP
EA
44
227
FAULT 22i: LOW OIL PRESSURE
EA
61
228
FAULT 22h: HIGH OIL PRESSURE
EA
43
229
FAULT 22g: BOTH FUELS SELECT
EA
21
230
FAULT 22f: FUEL SELECT
OFF
EA
38
231
FAULT 22e: AUX LIMIT #3
EA
19
232
FAULT 22d: HIGH LIMIT
EA
42
233
FAULT 22c: L
W
CO
EA
63
234
FAULT 22b: AUX LIMIT #2
EA
18
235
FAULT 22a: AUX LIMIT #1
EA
17
236
FAULT 21s: OTHER INTERLOCKS
EA
74
237
FAULT 21r: AUX INTERLOCK #5
EA
16
238
FAULT 21q: AUX INTERLOCK #4
EA
15
239
FAULT 21p: AIRFLOW SWITCH
EA
13
240
FAULT 21o: LOW GAS PRESSURE
EA
59
241
FAULT 21n: HIGH GAS PRESSURE
EA
41
242
FAULT 21m: ATOMIZING
SW
EA
14
243
FAULT 21k: LOW OIL TEMP
EA
62
Table 22. 7800 SERlES Fault Codes. (Continued)
Table 22. 7800 SERlES Fault Codes. (Continued)
Faul
t
Code
(R
eg
40001)
Fault Message
(NOT
E:
FAULT n: is not in the
F
a
ul
t
and Strings Co
de
)
Faul
t
Str
ing
Code
(Table 22)
244
FAULT 21j: HIGH OIL TEMP
EA
44
245
FAULT 21i: LOW OIL PRESSURE
EA
61
246
FAULT 21h: HIGH OIL PRESSURE
EA
43
247
FAULT 21g: BOTH FUELS SELEC
T
EA
21
248
FAULT 21f: FUEL SELECT
OFF
EA
38
249
FAULT 21e: AUX LIMIT #3
EA
19
250
FAULT 21d: HIGH L
IMIT
EA
42
251
FAULT 21c: L
W
C
O
EA
63
252
FAULT 21b: AUX LIMIT #2
EA
18
253
FAULT 21a: AUX LIMIT #1
EA
17
254
FAULT 10z: OTHER PREIGN
ILK
EA
75
255
FAULT 10y: VALVE CLOSURE
EA
109
7800 SERIES Burner Control Fault History Records
Table 23 describes the registers that are part of a fault history
record. To determine the actual register address for a
parameter within the record, add the register offset to the start
address of the record.
Table 23. Fault History Record Format.
Offset Parameter Name Access Format Notes
0 Fault code R U16 See Table 22.
1 Fault String R U16 See Table 22.
2 Sequence State R U16 See Table 20.
3 First line message R U16 See Table 15.
4
Second line
message
R U16 See Table 15.
5 Sequence time R U16 Seconds.
6-7 Total cycles R U32
8-9 Total hours R U32
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