Daewoo DOB-122RH - Trouble Shooting Guide; Common Unit Malfunctions; Trouble Display Error Codes

-Water full indicator lamp
blinks, water tank is full.
Dump the water out of the water
tank.
-Room temperature is higher
than the setting temperature.
(Electric heating mode)
Reset the temperature.
-The windows or doors in the
room are not closed.
-There are heat sources
inside the room.
-Exhaust air hose is not
connected or blocked.
-Temperature setting is too
high.
-Air filter is blocked by dust.
Make sure all the windows and
doors are closed.
Remove the heat sources if
possible.
Connect the duct and make sure
It can function properly.
Decrease the setting temperature.
Clean the air filter.
-
.
Air conditioner may have
absorbed odours from wall,
carpet, furniture and again
blows out
Remove the objects with odour
smell if possible.
-The ground is not level or
not flat enough.
Place the unit on a flat, level
ground if possible.
It is normal.
1. UNIT DOES NOT
START WHEN
PRESSING I/O
BUTTON.
2. NOT COOL
ENOUGH
3. THE UNIT
GIVES OUT
ODOUR
4.NOISY OR
VIBRATION
5.GURGLING
SOUND
TROUBLES
POSSIBLE CAUSES
SUGGEST REMEDIES
6. WATER DRIPS
FROM CABINET
INTO YOUR HOUSE
-The drain plug is not installed
properly.
Install the drain plug properly.
TROUBLE SHOOTING
F7 : indicates open circuit or short circuit in room temperature sensor.
F8 : indicates open circuit or short circuit in pipe temperature sensor.
F1 : indicates the anti-ice protection.
WATER FULL indicator lamp illuminating: indicates the water full inside.
TROUBLE DISPLAY
-Room temperature is lower
than the setting temperature.
(Cooling mode)
Reset the temperature.
-The sound comes from the
flowing of the refrigerant inside
the air conditioner.
2