Trane TCONT900AC43UA - Alert Code Response Communicating Systems Reference

R - A 1
Alert Code Response
Charge Assist
TM
Control Board ............................................................................................................................ 3
Summary of Alert Code & Charge Assist
TM
LEDS ......................................................................................... 3
Flash Rate Summary ...................................................................................................................................... 4
Communicating systems troubleshooting guide ............................................................................................... 5
Wait ................................................................................................................................................................. 5
Error 10: Ignition means fault ......................................................................................................................... 5
Error 18: Control failure................................................................................................................................ 5-6
Error 22: Soft lock-out due to flame loss or ignition retries ............................................................................ 6
Error 26: Temperature limit fault ..................................................................................................................... 7
Error 27: Replace device ................................................................................................................................ 7
Error 34: Flame detect fault............................................................................................................................. 7
Error 37: Filter configuration fault.................................................................................................................... 7
Error 53: Outdoor sensor missing ................................................................................................................. 8
Error 54: Faulty humidity sensor ..................................................................................................................... 8
Error 64: Stuck button(s) ................................................................................................................................. 8
Error 67: Temperature sensor fault ............................................................................................................. 8-9
Error 79: LPCO fault ........................................................................................................................................ 9
Error 80: High pressure monitor fault............................................................................................................. 9
Error 87: Roll-out fault ..................................................................................................................................... 9
Error 89: Equipment missing ....................................................................................................................... 10
Error 90: Communication busy fault ............................................................................................................. 10
Error 91: Communication fault ................................................................................................................10-12
Error 93: Gas valve fault ...........................................................................................................................12-13
Error 101: Y1 relay fault ................................................................................................................................. 13
Error 104: Heater relay fault ..................................................................................................................... 13-14
Error 105: Heater interlock relay fault ........................................................................................................... 14
Error 107: Repetitive arcing .......................................................................................................................... 15
Error 108: HV output fault .............................................................................................................................. 15
Error 109: Input current fault ....................................................................................................................15-16
Error 113: Liquid pressure sensor fault ....................................................................................................... 16
Error 114: PM bad or missing ..................................................................................................................16-17
Error 125: Input AC voltage fault.................................................................................................................... 17
Error 126: Equipment change alert .............................................................................................................. 18
Error 139: 24v communication mismatch .................................................................................................... 18
Miscellaneous alert codes ................................................................................................................................. 18
Pressure switch failure ............................................................................................................................ 17-19
Low flame signal .......................................................................................................................................... 19
Twinning error ............................................................................................................................................... 19
Flame lost or ignition failed .......................................................................................................................... 20
Line polarity fault ........................................................................................................................................... 20
A/C line fault .................................................................................................................................................. 20
Ground fault................................................................................................................................................... 21
Communication busy fault ............................................................................................................................ 21
Communicating Systems Reference
Section A