A.O. Smith 3400 Boiler User Manual


 
73
CODE DESCRIPTION
341 Abnormal Recycle: Hardware SLO electronics
342 Abnormal Recycle: Hardware processor clock
343 Abnormal Recycle: Hardware AC phase
344 Abnormal Recycle: Hardware A2D mismatch
345 Abnormal Recycle: Hardware VSNSR A2D
346 Abnormal Recycle: Hardware 28V A2D
347 Abnormal Recycle: Hardware HFS IAS shorted
348 Abnormal Recycle: Hardware PII INTLK shorted
349 Abnormal Recycle: Hardware HFS LCI shorted
350 Abnormal Recycle: Hardware HFS LFS shorted
351 Abnormal Recycle: Invalid zero crossing
352 Abnormal Recycle: fault stack sensor
353 Abnormal Recycle: stack limit
354 Abnormal Recycle: delta T limit
355 Abnormal Recycle: fault outlet sensor
356 Abnormal Recycle: outlet high limit
357 Abnormal Recycle: fault DHW sensor
358 Abnormal Recycle: DHW high limit
359 Abnormal Recycle: fault inlet sensor
360 Abnormal Recycle: Check Parameters Failed
Internal Errors
361 Internal error: No factory parameters were
detected in control
362 Internal error: PID iteration frequency was invalid
363 Internal error: Demand-Rate interval time was
invalid
364 Internal error: Factory calibration parameter for
modulation was invalid
365 Internal error: CH PID P-scaler was invalid
366 Internal error: CH PID I-scaler was invalid
367 Internal error: CH PID D-scaler was invalid
368 Internal error: DHW PID P-scaler was invalid
369 Internal error: DHW PID I-scaler was invalid
370 Internal error: DHW PID D-scaler was invalid
371 Internal error: Lead Lag master PID P-scaler was
invalid
372 Internal error: Lead Lag master PID I-scaler was
invalid
373 Internal error: Lead Lag master PID D-scaler was
invalid
374 Abnormal Recycle: Hardware ame bias high
375 Abnormal Recycle: Hardware ame bias low
376 Abnormal Recycle: Hardware ame bias delta high
377 Abnormal Recycle: Hardware ame bias delta low
378 Abnormal Recycle: Hardware ame bias dynamic
high
379 Abnormal Recycle: Hardware ame bias dynamic
low
380 Abnormal Recycle: Fan Speed Not Proven
381 Abnormal Recycle: Fan Speed Range Low
CODE DESCRIPTION
304 Abnormal Recycle: ILK off during Measured Purge
Time
305 Abnormal Recycle: ILK off during Drive to Lightoff
Rate
306 Abnormal Recycle: ILK off during Pre-Ignition test
307 Abnormal Recycle: ILK off during Pre-Ignition time
308 Abnormal Recycle: ILK off during Main Flame
Establishing Period
309 Abnormal Recycle: ILK off during Ignition period
310 Run was terminated due to ILK was off
311 Run was terminated due to interrupted air ow
switch was off
312 Stuck reset switch
313 Run was terminated due to fan failure
314 Abnormal Recycle: Fan failed during Drive to
Purge Rate
315 Abnormal Recycle: Fan failed during Measured
Purge Time
316 Abnormal Recycle: Fan failed during Drive to
Lightoff Rate
317 Abnormal Recycle: Fan failed during Pre-Ignition
test
318 Abnormal Recycle: Fan failed during Pre-Ignition
time
319 Abnormal Recycle: Fan failed during Ignition
period
320 Abnormal Recycle: Fan failed during Main Flame
Establishing Period
321 Abnormal Recycle: Main Valve off after 10
seconds of RUN
322 Abnormal Recycle: Pilot Valve off after 10 seconds
of RUN
323 Abnormal Recycle: Safety Relay off after 10
seconds of RUN
324 Abnormal Recycle: Hardware ame bias
325 Abnormal Recycle: Hardware static ame
326 Abnormal Recycle: Hardware ame current invalid
327 Abnormal Recycle: Hardware ame rod short
328 Abnormal Recycle: Hardware invalid power
329 Abnormal Recycle: Hardware invalid AC line
330 Abnormal Recycle: Hardware SLO ame ripple
330 Abnormal Recycle: Hardware SLO ame sample
332 Abnormal Recycle: Hardware SLO ame bias
range
333 Abnormal Recycle: Hardware SLO ame bias heat
334 Abnormal Recycle: Hardware SLO spark stuck
335 Abnormal Recycle: Hardware SLO spark changed
336 Abnormal Recycle: Hardware SLO static ame
337 Abnormal Recycle: Hardware SLO rod shorted
338 Abnormal Recycle: Hardware SLO AD linearity
339 Abnormal Recycle: Hardware SLO bias not set
340 Abnormal Recycle: Hardware SLO bias shorted