Daewoo DOB-092RH, DOB-122RH Service Manual

Service Manual

Split System

Air Conditioner

Model: DOB-092RH

DOB-122RH

S/M No. : R1A1G0A004

MAR., 2006

✔Caution

: In this Manual, some parts can be changed for improving,

their performance without notice in the parts list. So, if you
need the latest parts information, please refer to PPL(Parts
Price List) in Service Information Center (http://svc.dwe.co.kr).

CONTENTS

Service and Maintenance................................................................1

Trouble Shooting.............................................................................2

Trouble Display................................................................................2

Control Specifications......................................................................3

Explode View and Pats List.............................................................4

Disassembly and Reassembly ........................................................6

Wiring Diagram................................................................................7

4. Wipe the filter with a soft cloth soaked in water and dry it up in the shade.

1. Do not use gasoline, thinner or other chemicals to clean the unit. As these substances
may cause damage to the finish and deformation of plastic parts.

2. Do not wash the unit directly under a tap or using a hose.

3. If the power cord is damaged, it should be repaired by manufacturer or its agency.

Before cleaning or servicing this unit, be sure to
disconnect the unit from any electrical supply outlet.

Cleaning the Air Filter

If the air filter becomes clogged with dust/dirt, the air filter should be cleaned once every
two weeks.

1. Press I/O to turn off the air conditioner and pull out the plug from the wall socket.

2. Open the air inlet grille and take off the air filter.

3. Dust/Dirt clogged in the filter can be removed by vacuum cleaner. If filter is very dirty, wash it in

lukewarm soapy water while rubbing it gently with a brush. A mild detergent is recommended.

5. Replace the air filter as it was.

SERVICE AND MAINTENANCE

4.Reinstall filter.

Before a long idle period

1. Remove the drain plug and drain water completely.

2. Set the fan going for a few hours to dry out the inside completely.

3. Switch the air conditioner off and unplug it from the wall socket. Clean the filter and outer surface.

5.Take out batteries from remote controller and store with air conditioner in a clean, dry area.

6. Remove air exhaust hose and store with air conditioner in a clean, dry area.

1

-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