Robertshaw RS4220C Manual do Utilizador descarregar pdf (Página 15)

Troubleshooting

If problems with thermostat cannot be resolved, contact:

www.invensyscontrols.com

Technical Support: (800) 445-8299

Problem Action

Thermostat does not turn on

system.

Check wiring

(see Wiring Diagrams section).

System turns on too often.

Increase temperature differential

(see Pop-Up Wizard section).

System fan does not operate

properly.

Move fan option switch to either

gas or electric, to match system

(see System Switch Selection

section).

Thermostat does not display

proper room temperature.

Check F/C (Fahrenheit/Celsius) set-

ting (see Pop-Up Wizard section).

Display shows HI or LO and room

temperature is normal.

Call a licensed service person to

replace thermostat.

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Robertshaw RS4220C Manual do Utilizador Página 15