Trane 18 Series - Common Error Codes

Common Error Codes
Error Code Malfunction Type Recommendation
E5
AC over current protection Restart the unit. If the error
does not clear, contact your
dealer or qualied service
technician.
E8 / H4
High temperature protection
H6
Indoor fan motor error
C5
Jumper cap malfunction protection
Contact your dealer or
qualied service technician.
F1
Indoor ambient sensor open or short circuit
F2
Indoor tube sensor open or short circuit
If other error codes are present, contact your dealer or qualied service technician.
If any of the following occurs, shut o󰀨 the unit and contact your dealer or qualied service
technician:
• Power cord overheats or becomes damaged
• If you notice a burning smell
• The unit trips the breaker panel or cycles o󰀨 frequently without obtaining the set
temperature
• Abnormal sound during operation
• If you notice water leakage
88-M4MHW18-1C-EN 39
Installer's Guide