Trouble Shooting - Haier HSU-26HEK03/R2(DB)/I Operation Manual

Trouble shooting

Phenomenon
The system does not restart immediately.
Noise is heard
Odours are generated.
Mist or steam are blown out.
In dry mode, fan speed can't be changed.
Poor cooling
7
Cause or check points
The product has a 3 minute time elapse to protect the system due to wear
that may occur during the restart cycle. This system will be activated if
there is any interruption to the power supply for your air conditioner at any time
During unit operation or at stop, a swishing or gurgling noise may be heard.
At 2-3 minutes after unit start, this noise is more noticeable.
(This noise is generated by refrigerant
During unit operation, a cracking noise may be heard. This noise is generated
by the casing expanding or shrinking because of temperature changes.
Should there be a loud noise from air
air may be too dirty. Normally it should be cleaned every 15 days.
This is because the system circulates smells from the interior air such as the
odours of furniture, paint, cigarettes.
During COOL or DRY operation, indoor unit may blow out mist.
This is due to the sudden cooling of indoor air.
In DRY mode, when room temperature becomes lower than
temperature setting +2°C, unit will run intermittently at LOW
speed regardless of FAN setting.
The circuit breaker switch is "ON", but not "off"?
Is there a power failure?
Is fuse blown out?
Is the air dirty? Normally it should be cleaned every 15 days.
Are there any obstacles before inlet and outlet?
Is temperature set correctly?
Are there some doors or windows left open?
Is there any direct sunlight through the window during the cooling operation?
(Use curtain)
Are there too many heat sources or too many people in the room during
cooling operation?
in the system.)
in the unit operation, the