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7800 SERIESS7800A2142 4-Line LCD Keyboard Display Module
61
32-00110-07
String Code
String
160
Terminal T8 = 0
161
Terminal T8 = 1
162
Terminal T9 = 0
163
Terminal T9 = 1
164
Terminal T10 = 0
165
Terminal T10 = 1
166
Terminal T16 = 0
167
Terminal T16 = 1
168
Terminal T17 = 0
169
Terminal T17 = 1
170
Terminal T18 = 0
171
Terminal T18 = 1
172
Terminal T19 = 0
173
Terminal T19 = 1
174
Terminal T20 = 0
175
Terminal T20 = 1
176
Terminal T21 = 0
177
Terminal T21 = 1
178
Jumper 1 Intact
179
Jumper 1 Clipped
180
Jumper 2 Intact
181
Jumper 2 Clipped
182
Jumper 3 Intact
183
Jumper 3 Clipped)
The values that follow are generated when the
fault code is zero and the Expanded Annunciator
code indicates that one or more switches are
open. The Line 2 string code will indicate which
switch is open.
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
PRE-IGNITION 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
String Code
String
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
Table 21. Table 21. 7800 SERIES String codes.
7800 SERIES Fault Codes
Table 22 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.
Fault
Code
(Reg
40001)
Fault Message
(NOTE: FAULT n: is not in
the Fault and Strings Code)
Fault
String
Code
(Table
21)
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