Troubleshooting - Robertshaw RS5220C User Manual

Troubleshooting

Problem
Thermostat does not turn on system.
System turns on too often.
System fan does not operate properly.
Thermostat does not display proper
room temperature.
Display shows HI or LO and room
temperature is normal.
If problems with thermostat cannot be resolved, call:
www.robertshawclimate.com
Technical Support: 844-362-4822
Check wiring.
(See Wiring Diagrams section.)
Increase temperature differential.
(See To Make Changes to the Settings
section.)
Move fan option switch to either gas
or electric, to match system.
(See Setting the Fan to ON, AUTO, or
CIRC section.)
Check F/C (Fahrenheit/Celsius) setting.
(See To Make Changes to the Settings
section.)
Call a licensed service person to
replace/repair.
or
14
Action