Robertshaw RS4110 User Manual download pdf (Page 10)

Troubleshooting

If problems with thermostat cannot be resolved, call:

www.invensyscontrols.com

or

Technical Support: (800) 445-8299

10

Problem Action

Thermostat does not turn on system.

Check wiring.

(See Wiring Diagrams section.)

System turns on too often.

Increase temperature differential.

(See Changing: Scale, Clock Mode,

Differential, Filter Hours, Short Cycle,

or Offset section.)

System fan does not operate properly.

Move fan option switch to either gas

or electric, to match system.

(See Switch Locations section.)

Thermostat does not display proper

room temperature.

Check F/C (Fahrenheit/Celsius) setting.

(See Changing: Scale or Calibration

section.)

Display Shows HI or LO and room

temperature is normal.

Call a licensed service person to

replace/repair.

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