American Comfort GMCN 100 Series - Manual (Page 10)

1-877-645-0299 www.AmericanComfort.com 8
To clean the surface of the unit use a gentle detergent and damp cloth, and then wipe it dry with a
soft clean cloth.
Cleaning the filter
The air filter should be cleaned at least once every two weeks, to prevent it from becoming clogged
with dust/dirt. Open the air inlet grille on the back of the unit and take out the air filter. Clean the air
filter with gentle detergent in lukewarm water. The filter should be left to dry, out of direct sunlight.
Put the air filter into the inlet grill on the back of the unit; replace the components as they were
Troubleshooting
Problem Possible Causes Corrective Action
1. The unit does not start
when pressing on/off button
- Water full indicator lamp
blinks,
(“F”) and water tank is
full.
Drain the water from the water
tank.
- Room temperature is higher
than the set temperature.
Reset the temperature
- Room temperature is lower
than the setting temperature
Reset the temperature
2. Not cool enough
- The doors or windows are not
closed.
Make sure all the windows and
doors are closed.
- There are heat sources inside
the room.
Remove the heat sources if
possible
- Exhaust air hose is not
connected or blocked.
Connect or clean the exhaust
air hose.
- Temperature setting is too
high.
Reset the temperature
- Air inlet is blocked. Clean the air inlet.
3. The unit is noisy/loud
- The ground is not level or not
flat enough
Place the unit on a flat, level
ground if possible
- The sound comes from the
flowing of the refrigerant inside
the air conditioner
It is normal.
4. E0 Code
- Room temperature sensor
failed
Replace room temperature
sensor (the unit can also work
without replacement.)
5. E2 Code
- Water tank full. (“F”) Please drain the water tank.