Error Code E9
Summary:
Indoor ambient temperature sensor fault (T1)
Possible Cause:
- T1 sensor is short or open
Troubleshooting:
- Is the T1 sensor short = Replace the T1 sensor
- Is the T1 sensor open = Replace the T1 sensor
- If the sensor is verified and the wiring tests out good = Replace the Main Board
Chart:
WARNING:
Information in this article is intended for use by individuals possessing adequate backgrounds of electrical and mechanical experience and who comply with all federal, state, and local laws, rules, orders, or regulations related to the installation, service, or repair of a heating or central air conditioning product. Any attempt to install, service, or repair a heating or central air conditioning product may result in personal injury and/or property damage. The manufacturer or seller cannot be responsible for the interpretation of the information contained herein, nor can it assume any liability in connection with its use.