CODE

DESCRIPTION

RECOMMENDED TROUBLESHOOTING OF

NOTE

 

 

 

LOCKOUT CODES

 

212

Invalid Preignition time setting

1. Return to Configuration mode and recheck

L

 

 

 

selected parameters, reverify and reset module.

 

213

Invalid Prepurge rate setting

 

L

2.

If fault repeats, verify electrical grounding.

214

Invalid Prepurge time setting

L

3.

If fault repeats, replace module.

215

Invalid Purge rate proving setting

 

 

L

216

Invalid Run flame failure response setting

 

 

L

217

Invalid Run stabilization time setting

 

 

L

218

Invalid Stack limit enable setting

 

 

L

219

Invalid Stack limit response setting

 

 

L

220

Unconfigured Delta T limit setpoint setting

 

 

L

221

Unconfigured DHW high limit setpoint setting

 

 

L

222

Unconfigured Outlet high limit setpoint setting

 

 

L

223

Unconfigured Stack limit setpoint setting

 

 

L

224

Invalid DHW demand source setting

 

 

L

225

Invalid Flame threshold setting

 

 

L

226

Invalid Outlet high limit setpoint setting

 

 

L

227

Invalid DHW high limit setpoint setting

 

 

L

228

Invalid Stack limit setpoint setting

 

 

L

229

Invalid Modulation output setting

 

 

L

230

Invalid CH demand source setting

 

 

L

231

Invalid Delta T limit delay setting

 

 

L

232

Invalid Pressure sensor type setting

 

 

L

233

Invalid IAS closed response setting

 

 

L

234

Invalid Outlet high limit enable setting

Contact the service professional.

L

235

Invalid Outlet connector type setting

Contact the service professional.

L

236

Invalid Inlet connector type setting

Contact the service professional.

L

237

Invalid DHW connector type setting

Contact the service professional.

L

238

Invalid Stack connector type setting

Contact the service professional.

L

239

Invalid S2 (J8-6) connector type setting

Contact the service professional.

L

240

Invalid S5 (J8-11) connector type setting

Contact the service professional.

L

241

Exchanger sensor not allowed with stack

Not Applicable.

L

 

connector setting

 

 

 

242

Invalid DHW auto detect configuration

Not Applicable.

L

243

Invalid UV with spark interference not compatible

Contact the service professional.

L

 

with Ignitor on throughout PFEP

 

 

 

244

Internal fault: Safety relay test invalid state

Contact the service professional.

L

245

Invalid Outlet connector type setting for Trise

Contact the service professional.

L

246

4-20mA cannot be used for both modulation and

Contact the service professional.

L

 

setpoint control

 

 

 

247

Invalid ILK bounce detection enable

Not Applicable.

L

248

Invalid forced recycle interval

Not Applicable.

L

249

STAT cannot be demand source when Remote

Not Applicable.

L

 

Stat is enabled

 

 

 

250

Invalid Fan speed error response

1. Check fan cables secured properly. If fault

L

 

 

 

persists contact the service professional.

 

251-255

RESERVED

 

 

 

68

Page 68
Image 68
A.O. Smith 3400, 2600, 1700, 2000 instruction manual Code Description Recommended Troubleshooting Lockout Codes

3400, 1700, 2000, 2600 specifications

A.O. Smith, a leader in water heating solutions, has developed a range of high-efficiency water heaters that cater to various residential and commercial needs. Among their stellar offerings are the A.O. Smith 2600, 2000, 1700, and 3400 models, each boasting impressive features, cutting-edge technologies, and excellent energy efficiency.

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