ICM Controls SC 3201 Installation, Operation & Application Manual page 23

Emergency Heat Test
1. Slide System switch to Emer position. Emer Heat mode screen is displayed (Emer LED lights).
2. Adjust set temperature so it is 5 degrees above room temperature.
3. Second stage heat should come on within a few seconds (Aux LED lights).
4. Adjust the set temperature 2 degrees below the room temperature and the heat should turn off. There
may be a fan delay on your system.
Fan Test
1. Slide Fan switch to On position.
2. Indoor fan turns on.
3. Slide Fan switch to Auto position.
4. Indoor fan turns off.