![Comfort Sync Thermostat Error Codes](https://acerrorcode.com/wp-content/uploads/2019/06/Comfort-Sync-Thermostat-Error-Codes.jpg)
Comfort Sync Thermostat Touchscreen. Programmable Communicating Thermostat.
Alert Codes and Troubleshooting: The following tables list all alert codes used for troubleshooting system components. Critical alerts are displayed on Home (user) screen, in the Homeowner alert button, and in the Installer alert button. Minor and Moderate alerts are found only in the Installer alert button.
Troubleshooting Wi-Fi
Router / Modem Check If Connection Fails
1. Make sure the router and modem are turned on.
2. Check for connections to other wireless devices and internet connection.
3. Make sure the Comfort Sync thermostat’s Wi-Fi is enabled and connected to the home network (AP).
4. If having difficulty connecting to the router, online research the router model number and/or internet provider to discover and verify that the router band is set to B, G or N bands. You will need to access the routers utility program to make any changes. If not accessible please contact your service provider for help. The thermostat will connect to B, G or N band routers at this time. NOTE: When set to B or G bands, video streaming will likely be slower that N band. If homeowner has implemented a dedicated N band router for the purpose of video streaming, a separate router for the thermostat may be required.
5. Reboot your router.
6. Power cycle the thermostat.
7. Keep cordless phones, microwaves and other electrical equipment at least 3.5 feet (1m) away from access point.
8. Try changing channels on the access point and test it out with one of your internet devices (i.e. laptop, desktop). The IP address to the server from the thermostat will be close to the same IP address from the computer to the server.
Communication Error Screen
![Figure 1. Communication Error Screen](https://acerrorcode.com/wp-content/uploads/2019/06/Figure-1.-Communication-Error-Screen.jpg)
During initial thermostat start-up if the following screen appears (see figure 1), this will indicate that the thermostat has been incorrectly wired or has shorted wires. Turn power off to the system and verify that all wiring is correct.
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