5407934-UIM-C-1119
48 Johnson Controls Ducted Systems
HUM TEMP SENSOR HIGH
Humidity sensor temperature > 122°F.
This is only flagged if using humidity tem-
perature as a backup source during a
fault condition with the primary tempera-
ture sensor.
Efficiency
HUM TEMP SENSOR LOW
Humidity sensor temperature = 0. This is
only flagged if using humidity tempera-
ture as a backup source during a fault
condition with the primary temperature
sensor.
Efficiency
ID TEMP RANGE HIGH Indoor temperature is > 99.0°F Efficiency
ID TEMP RANGE LOW Indoor temperature is < 40.0°F Efficiency
HUM SENSOR FAILURE
Humidity sensor timed out. Humidity
reading is > 99% or humidity reading = 0
Efficiency
HUMIDITY RANGE HIGH Humidity reading is > 90% Efficiency
HUMIDITY RANGE LOW Humidity reading is < 10% Efficiency
OUTDOOR SENSOR
FAILURE
OD temperature is > 127°F or < -60°F Efficiency
NOT CONNECTED TO
SERVER
Not connected to Ayla server Status
NOT CONNECTED TO
ROUTER
Router signal strength is 0 bars (not con-
nected)
Status
WIFI HARDWARE FAULT
Communications error occurred with Wi-
Fi module (resets after valid message
received)
Status
PROXIMITY HARDWARE
FAULT
N/A Status
NFC COMMUNICATIONS
FAULT
N/A Status
TABLE 14:
Thermostat (Continued)
Fault (Displayed Text) Description Category