Trane 18 Series User Manual

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

Trane 18 Series Specifications

General

Brand	Trane
Model	18 Series
Category	Heat Pump
Language	English