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Michelle AndersonSep 10, 2025
How to fix ICM Controls SC 3801 Thermostat program schedule that activates at the wrong time?
- NnwalkerSep 10, 2025
If the program schedule activates at the wrong time, check the time (AM/PM) set on the thermostat.

How to fix ICM Controls SC 3801 Thermostat program schedule that activates at the wrong time?
If the program schedule activates at the wrong time, check the time (AM/PM) set on the thermostat.
Why does my ICM Controls SC 3801 Thermostat fan run continuously?
First, check the fan On/Auto switch. Then, check the programmable fan setting in the program. Finally, check the fan settings in configuration.
What to do if my ICM Controls SC 3801 Thermostat does not follow program?
Make sure that the thermostat is operating in Program mode (PROG is displayed). Also, check the time (AM/PM).
How to fix ICM Controls Thermostat that turns on and off too frequently?
Adjust the temperature differential.
Why does my ICM Controls SC 3801 system fan not come on properly?
Verify the wiring is correct and check the electric heat setup in configuration.
What to do if my ICM Controls SC 3801 program schedule activates at the wrong time?
Check the time (AM/PM) set on the thermostat.
How to fix a blank display on my ICM Controls Thermostat?
If the display is blank, check for 24 VAC at the thermostat; the display will be blank when 24 VAC is not present.
What does EH mean on my ICM Controls Thermostat display?
The 'EH' on the display indicates that the thermostat is in Emergency Heat Mode.
What to do if ICM Controls Thermostat turns on and off too frequently?
If your thermostat is turning on and off too frequently, adjust the temperature differential.
What to do if my ICM Controls SC 3801 does not follow the program?
If your thermostat isn't following the program, make sure it is operating in Program mode (PROG displays) and check the time (AM/PM) settings.
| Brand | ICM Controls |
|---|---|
| Model | SC 3801 |
| Category | Thermostat |
| Language | English |
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