Table of Contents
Advertisement
S9240F1004 MODULATING HOT SURFACE IGNITION INTEGRATED FURNACE CONTROL
Error/Fault Condition
Low pressure switch failed (stuck) Closed
High pressure switch failed (stuck) Open
High pressure switch failed (stuck) Closed
Low pressure switch opened in run or Trial for
Ignition
Limit switch circuit open
Valve relay contact failure
Inducer/pressure switch calibration failure
Flame out of sequence while flame still
present
Retry > maximum – last one due to no flame
Retry > maximum – last one due to low
pressure switch open
Recycle > maximum – last one due to low
pressure switch open
Recycle > maximum – last one due to flame
lost in run mode
Limit switch open > 3 minutes
Flame out of sequence and flame is gone
Failed ignitor or trigger circuit
Available CFM below minimum firing rate
Circulator unable to start
Circulator RPM out of range (failed wheel)
Inducer over current
Rollout open or previously opened
Furnace size select missing or mis-match with
installed circulator motor
a
Recycle furnace power and perform operational check. If error repeats, there may be a permanent failure on the control board.
Automation and Control Solutions
Honeywell International Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
customer.honeywell.com
® U.S. Registered Trademark
© 2007 Honeywell International Inc.
69-2088—01
M.S. 11-07
Table 12. LED Status Codes. (Continued)
Code
224 Resume normal operation after fault removed.
225 Increase inducer RPM every few seconds. If upper limit
reached, start pressure switch calibration.
226 Wait for it to open, then start calibration.
227 Increment recycle/retry. Go to Soft Lockout if > maximum
250 Wait for Limit switch circuit to close. If closed in 3 minutes,
resume operation, else enter Soft Lockout after close.
a
Soft Lockout after fault recovers.
125
228 Retry after 5 minutes. If failed allowed times, go to Soft
Lockout. Error counter cleared when exiting lockout.
241 Wait for flame loss, then go to Soft Lockout. Error counter
cleared when exiting lockout.
270 Retry. If failed allowed times, go to Soft Lockout. Error
counter cleared when exiting lockout.
271 Retry. If failed allowed times, go to Soft Lockout. Error
counter cleared when exiting lockout.
272 Retry. If failed allowed times, go to Soft Lockout. Error
counter cleared when exiting lockout.
273 Retry. If failed allowed times, go to Soft Lockout. Error
counter cleared when exiting lockout.
274 Soft Lockout. Error counter cleared when exiting lockout.
275 Soft Lockout. Error counter cleared when exiting lockout.
290 Soft Lockout. Error counter cleared when exiting lockout.
291 Soft Lockout. Error counter cleared when exiting lockout.
292 Soft Lockout. Error counter cleared when exiting lockout.
293 Soft Lockout. Error counter cleared when exiting lockout.
294 Soft Lockout. Send command to reset-motor. Error counter
cleared when exiting lockout.
200 Wait for rollout switch to close, then enter Hard Lockout. All
error counters cleared after reset.
202 Hard Lockout. All error counters cleared after reset.
Honeywell Limited-Honeywell Limitée
35 Dynamic Drive
Toronto, Ontario M1V 4Z9
Error Handling
(in addition to displaying error code)
Result
Wait for
Recovery
Soft
Lockout
Hard
Lockout
Advertisement
Table of Contents
