Home > Honeywell Home > Honeywell Home RTH Series X2S Smart Thermostat Installation Guide
Honeywell Home RTH Series X2S Smart Thermostat Installation Guide
Alerts
When an alert is active, an
icon will
appear in the lower part of the display.
1. Press MENU and use ↑ or ↓ until the
alert is shown. Active alerts will be the
first menu items shown.
Hold
2. Press SELECT to display the alert
number.
3. An alert cannot be dismissed. If there
is more than one active alert, pressing
the NEXT button allows you to view
any additional alert numbers. Press
EXIT to return to the home screen.
M39513
Some alerts can be resolved by the
homeowner, for example Set Time and Date.
Other alerts may require a service call to the
professional installer.
Hold
M39592
Alert Number
Alert Meaning
164
Heat Pump Fault. Heat pump is energizing L terminal to indicate a
fault.
170
Thermostat Memory Failure. Internal problem with the thermostat
memory.
171
173
388
399
400
602
607
Set Time and Date.
Internal Sensor Error. Issue with the built-in temperature sensor.
Register the Thermostat Online
If not using the app, WiFi and
app related messages can be
dismissed by going into the WiFi
menu and turning WiFi to off.
No Internet Connection
WiFi Signal Lost
Humidity Sensor Failure
WiFi Communication Error
19
| General | Details |
|---|---|
| Name | Honeywell Home RTH Series X2S Smart Thermostat Installation Guide |
| Make | Honeywell Home |
| Language | English |
| Filetype | PDF (Download) |
| File size | 2.22 MB |
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