Honeywell RTH6350 - Troubleshooting Common Thermostat Issues

RTH6350/RTH6450/RET93E0/RET95E0 Series
21 69-2696ES—03
SETUP WIRING ASSISTANCE TROUBLESHOOTING
Function 14: Temperature display
Done Next
14
0
M28357
Press the s or t button to select Fahrenheit or Celsius
temperature display:
M28351
Press to change setting.
When correct setting is
selected, press DONE to exit
and save changes.
0 Fahrenheit temperature display (°F)
1 Celsius temperature display (°C)
Congratulations, you’re done!