A.O. Smith XB1000 User Manual page 36

CoDe
212 Invalid Preignition time setting
213 Invalid Prepurge rate setting
214 Invalid Prepurge time setting
215 Invalid Purge rate proving setting
216 Invalid Run flame failure response setting
217 Invalid Run stabilization time setting
218 Invalid Stack limit enable setting
219 Invalid Stack limit response setting
220 Unconfigured Delta T limit setpoint setting
221 Unconfigured DHW high limit setpoint setting
222 Unconfigured Outlet high limit setpoint setting
223 Unconfigured Stack limit setpoint setting
224 Invalid DHW demand source setting
225 Invalid Flame threshold setting
226 Invalid Outlet high limit setpoint setting
227 Invalid DHW high limit setpoint setting
228 Invalid Stack limit setpoint setting
229 Invalid Modulation output setting
230 Invalid CH demand source setting
231 Invalid Delta T limit delay setting
232 Invalid Pressure sensor type setting
233 Invalid IAS closed response setting
234 Invalid Outlet high limit enable setting
235 Invalid Outlet connector type setting
236 Invalid Inlet connector type setting
237 Invalid DHW connector type setting
238 Invalid Stack connector type setting
239 Invalid S2 (J8-6) connector type setting
240 Invalid S5 (J8-11) connector type setting
241 Exchanger sensor not allowed with stack
connector setting
242 Invalid DHW auto detect configuration
243 Invalid UV with spark interference not compatible
with Ignitor on throughout PFEP
244 Internal fault: Safety relay test invalid state
245 Invalid Outlet connector type setting for Trise
246 4-20mA cannot be used for both modulation and
setpoint control
247 Invalid ILK bounce detection enable
248 Invalid forced recycle interval
249 STAT cannot be demand source when Remote
Stat is enabled
250 Invalid Fan speed error response
251-255 RESERVED
DeSCripTioN reCoMMeNDeD TroUbleShooTiNG oF
loCKoUT CoDeS
1. Return to Configuration mode and recheck
selected parameters, reverify and reset module.
2. If fault repeats, verify electrical grounding.
3. If fault repeats, replace module.
Contact the service professional.
Contact the service professional.
Contact the service professional.
Contact the service professional.
Contact the service professional.
Contact the service professional.
Contact the service professional.
Not Applicable.
Not Applicable.
Contact the service professional.
Contact the service professional.
Contact the service professional.
Contact the service professional.
Not Applicable.
Not Applicable.
Not Applicable.
1. Check fan cables secured properly. If fault
persists contact the service professional.
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