Troubleshooting
Carrier Connect™
Wi-Fi Thermostat Carrier Proprietary and Confidential CARRIER CORPORATION ©2017
Installation Guide 39 All rights reserved
Fault definitions
The following Fault messages are displayed and logged in the banner during the fault condition and then sent to
the Cloud server.
Temperature reading > 122°F
• Temperature reading = 0
• Reading not available
Remote temperature > 122°F
NOTE Displayed only if REMOTE SENSOR
is set to
INDOOR or AVERAGE.
Remote temperature = 0
NOTE Displayed only if REMOTE SENSOR is set to INDOOR or AVERAGE.
Humidity sensor temperature > 122°F
NOTE Displayed only if using humidity temperature as a backup source during a
fault condition with the primary temperature sensor.
Humidity sensor temperature = 0
NOTE Displayed only if using humidity temperature as a backup source during
a fault condition with the primary temperature sensor.
Indoor temperature is > 99.0°F
Indoor temperature is < 40.0°F
Any of the following:
• Humidity sensor timed out
• Humidity reading is > 99%
• Humidity reading is 0
Humidity reading is > 90%
Humidity reading is < 10%
Valid packet has not been received from back PCB within last 15 seconds
Not connected to Ayla server
Router signal strength is 0 = no bars = not connected
Communications error occurred with Wi-Fi module (resets after valid message
received)
Contact closure on remote sensor input, as determined by Economizer