ICM Controls SC 2201 - Troubleshooting

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Symptom Remedy
Thesystemisnotturningon Checkthewiring(seeInstallation,Page5)
LCDisblank Displayisblankwhenvoltageisnotpresentatthethermostat
Checkcircuitbreakerorforanopenfuse
Thermostatdoesnotturnonthesystemas
frequentlyasitshould
Decreasethetemperaturedifferential(seeSettingaNewTemperature
Differential,Page9)
Thermostatisnotproperlycontrollingthefan Checkthewiring(seeInstallation,Page5)
Thermostatiscontinuouslyturningonandoff Increasethetemperaturedifferential(seeSettingaNewTemperature
Differential,Page9)
Temperaturedisplayisnotaccurate Yourthermostathastwooptionsfortemperaturereadout:Fahrenheit(default)
orCelsius;checkthatthe“jumper”isproperlysettoyourpreference
Plugtheholeforwiringbehindthethermostatwithnon-ammableinsulationto
preventairowintothethermostat
Troubleshooting