Trane TCONT900AC43UA - Page 290

R - A 24
Alert Code Response
Furnace fault LED - 10 Flash
Comfort Control:
- No Error Code Displayed
User Interface:
- SYS COMM CRC
- BLW COMM CRC
- IND COMM CRC
Comfort Control:
- Err 90
Comfort Control:
- Err 91
User Interface:
- NO SYS CLK
- SYS COMM ERR
- BLW COMM ERR
- IND COMM ERR
Furnace fault LED
Furnace fault LED - Solid ON
Comfort Control:
- Err 18
Comfort Control:
- Err 93
User Interface:
- EXT GV ERR
- INT GV ERR
Furnace fault LED - 2 Flash
Comfort Control:
- No Error Code Displayed
User Interface:
- RECYCLE
- RETRY
Comfort Control:
- Err 22
User Interface:
- RECYCLE LO
- RETRY LO
Furnace fault LED - 3 Flash
Comfort Control:
- No Error Code Displayed
User Interface:
- PS1 OPEN
- PS2 OPEN
- PS3 OPEN
- PS1 CLOSED
- PS2 CLOSED
- PS3 CLOSED
Furnace fault LED - 4 Flash
Comfort Control:
- Err 26
User Interface:
- AUX LIMIT
- HIGH LIMIT
Comfort Control:
- Err 87
Furnace fault LED - 6 Flash
Comfort Control:
- Err 10
- No Error Code Displayed
Air handler fault LED - 3 Flash
Comfort Control:
- No Error Code Displayed
User Interface:
- SYS COMM CRC
- BLW COMM CRC
Comfort Control:
- Err 91
User Interface:
- NO SYS CLK
- SYS COMM ERR
- BLW COMM ERR
Air handler fault LED - 4 Flash
Comfort Control:
- Err 104
User Interface:
- HT ON ERR
- HT OFF ERR
Comfort Control:
- Err 105
User Interface:
- HT+LK ON ERR
- INTLK ON ERR
- NTLK OFF ERR
Air handler fault LED - 7 Flash
Comfort Control:
- Err 101
User Interface:
- Y1 ON ERR
- Y1 OFF ERR