Honeywell S9240F2051, Installation Instructions Manual, Page: 28 / 32

S9240F2051 MODULATING INTEGRATED FURNACE CONTROL
69-2807—01 28
Device Communications Problem 105 Retry until a message is successfully sent or received.
Wait For
Recovery
Line voltage low 110 Resume normal operation after fault recovers.
Line voltage high 113 Resume normal operation after fault recovers.
Zero crossing not detected or frequency out of
range
114 Resume normal operation after fault recovers.
Low 24 volts 115 Resume normal operation after fault recovers.
Unresponsive Device 120 Resume normal operation after fault recovers.
Active Subnet Controller Missing for > 180sec 124 Terminate all services and wait for subnet controller
message.
Hardware failure
125
b
Resume normal operation 300 seconds after fault recovers.
Micro inter-communication failure
126
b
Resume normal operation 300 seconds after fault recovers.
Non-Volatile data corruption 131 No operation
Circulator communication failed 201 Resume normal operation after fault recovers.
Gas valve miswire 204 Resume normal operation after fault recovers.
Low pressure switch failed (stuck) Open 223 If longer than 150 seconds, start pressure switch calibration.
Low pressure switch failed (stuck) Closed 224 Resume normal operation after fault removed.
High pressure switch failed (stuck) Open 225 Increase inducer RPM every few seconds. If upper limit
reached, start pressure switch calibration.
High pressure switch failed (stuck) Closed 226 Wait for it to open, then start calibration.
Low pressure switch opened in run or Trial for
Ignition
227 Increment recycle/retry. Go to Soft Lockout if > maximum.
Flame sense out of sequence while flame still
present
241 Resume normal operation after fault recovered.
If flame loss detected, then go to Soft Lockout (see error
code 275).
Limit switch circuit open 250 Wait for Limit switch circuit to close. If closed in 3 minutes,
resume operation, else enter Soft Lockout after close.
Discharge air temperature too high 252
Indoor blower over temperature 295 None
Indoor and Outdoor Unit capacity mismatch 313 None
Global network connection 331 Link relay in local mode until new request for link from subnet
controller.
Relay Y1 failure 347 None
Relay Y2 failure 348 None
O input is sensed low with non-comm. outdoor
unit and no DFM
349 Y1 and Y2 outputs inactive.
Table 12. LED Error Codes Displayed By The S9240F2051 IFC. (Continued)
Error/Fault Condition Code
IFC Error Handling
(in addition to displaying error code) Result