Common Error Codes - Trane 18 Series Installer's Manual

Common Error Codes

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