Daewoo DWA-122CS manual Before Calling for Service, Difficulty Possible Cause Suggested Solution

BEFORE CALLING FOR SERVICE

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.

Difficulty	Possible Cause	Suggested Solution
• Air conditioner does	• No power to unit.	• Set Fan Control Select to
not operate.		position other than "OFF".
		• Confirm power cord is plugged in.
		• Verify main power switch
		(main circuit breaker) or fuse
		of the unit is good.
• Little or no cooling	• Compressor lockout on initial	• Wait 3 to 4 minutes and restart
	plug in.	the unit.
	• Dirty air filter	• Clean air filter.
	• Is there anything blocking the	• When blocked by curtains,
	front?	blinds, or furnitures, etc., the air
		flow is restricted and cooling
		performance is affected.
	• Thermostat is not adjusted	• Adjust thermostat correctly.
	correctly.	• Check with dealer to determine
	• Air conditioner undersized for	proper unit capacity for
	application.	application.
• Noisy unit	• Loose parts	•Tighten any loose parts.
	• Weak building construction.	• Provide additional support.
	• Water hitting fan.	• Normal in high humidity.
		• Stop noise by allowing water to
		drain from base fan through
		drain hole.
• Ordors from unit	• Mold, mildew or algae formation	• Place algaecide tablet in base
	on wet surfaces.	pan
		• Remove water in base pan
		through drain hole.
• Water in base pan.	• Normal for operation in humid	• Water in base pan is picked up
	areas.	by the fan blade and thrown onto
		the warm outdoor coil where
		water then evaporates.

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