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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
• Air conditioner does
not operate.
• Little or no cooling
• Noisy unit
• Ordors from unit
• Water in base pan.
Possible Cause
• 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.
Suggested Solution
•
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.
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