Daewoo dwc121r1 Installation Instruction

19

When you find something wrong with your room air conditioner, please carefully check the following items.

If you are unable to find the cause of trouble, contact your service dealer.

• Air conditioner does

not operate.

• Little or no cooling

• Noisy unit

• Ordors from unit

• Water in base pan.

• No power to unit.

• Compressor lockout on initial

plug in.

• Dirty air filter

• Is there anything blocking the

front?

• Air conditioner undersized for

application.

• Loose parts

• Weak building construction.

• Water hitting fan.

• Mold, mildew or algae formation

on wet surfaces.

• Normal for operation in humid

areas.

• Confirm power cord is plugged in.

• Verify main power switch

(main circuit breaker) or fuse

of the unit is good.

• Wait 3 to 4 minutes and restart

the unit.

• Clean air filter.

• When blocked by curtains,

blinds, or furnitures, etc., the air

flow is restricted and cooling

performance is affected.

• Check with dealer to determine

proper unit capacity for

application.

•Tighten any loose parts.

• Provide additional support.

• Normal in high humidity. 

• Stop noise by allowing water to

drain from base fan through

drain hole.

• Place algaecide tablet in base

pan 

• Remove water in base pan

through drain hole.

• Water in base pan is picked up

by the fan blade and thrown onto

the warm outdoor coil where

water then evaporates.