When Trouble Happens; Insufficient Cooling - Haier HBU-42CH03 Operation & Installation Manual

When Trouble Happens

The operation controller
adjusted as required
Any obstacle exists at the air
inlet or outlet?
Any other heat sources in the
room?
Cooled air blown out ( when heating)
Insufficient cooling or heating
Air filter too dirty ?
Door or window left opened ?

Insufficient cooling

Sunlight direct into the
room ?
When the air conditioner does not operate properly after
you have checked the above-mentioned items or when
following phenomenon is observed,stop the operation
of the air conditioner and contact your sales dealer.
1)The fuse or breaker often shuts down.
2)Water drops off during cooling or drying operation.
3)There is an irregularity in operation or abnormal sound
that is audible.
Horizontal swing louver
upward ? (in HEAT mode)
Too crowed in the room ?
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