To Next PageTo Next PageWhat to do if my Robertshaw RS6220 Thermostat shows HI or LO but the room temperature is normal?
If your Robertshaw Thermostat displays HI or LO while the room temperature is normal, it is recommended to call a licensed service person to replace the thermostat.
Why does my Robertshaw RS6220 system turn on too often?
If your Robertshaw Thermostat system turns on too often, increase the temperature differential. Refer to the Pop-Up Wizard section for guidance.
How to fix Robertshaw Thermostat not displaying proper room temperature?
If your Robertshaw Thermostat is not displaying the correct room temperature, check the F/C (Fahrenheit/Celsius) setting. Please refer to the Pop-Up Wizard section for instructions.
How to fix a Robertshaw RS6220 that does not turn on the system?
If your Robertshaw Thermostat does not turn on the system, check the wiring. Refer to the Wiring Diagrams section for guidance.
General| Type | Programmable Thermostat |
|---|---|
| Temperature Range | 45°F to 90°F (7°C to 32°C) |
| Display | Digital |
| Stages | 1 Heat/1 Cool |
| Backlight | Yes |
| Hold Function | Yes |
| Filter Change Indicator | Yes |
| Power Source | Battery (2 AA) |
| Compatibility | Single Stage Heating and Cooling Systems |
