Noise - Haier AU482FIERA Installation & Maintenance Instructions Manual

(3) Cooling operation confirmation
Set the mode as COOL: press the button
for over 5 seconds at OFF state
Start
If blowing out cold air
Yes
If the ventilation is good
Yes
Make all indoors running
simultaneously
Temp. difference between air
outlet and air inlet is good
Yes
If running voltage is
proper (380V±10%)
Yes
If running current is in the
range of rated current±15%
(at the max. frequency)
Yes
If running pressure is proper
Yes
Normal
Once outdoor stops, re-start up
No
the unit 2 and a half minutes
later
Confirm the running state of the
No
compressor, indoor EEV
No
No
No
Check the power source
voltage, the power cable spec
and the power cable terminal
installation
No
Check indoor/outdoor temp.,
pipe length, refrigerant
charging amount, indoor
capacity, compressor
No
running frequency, outdoor
fan operation, and if
compressor sounds
abnormal noise
38
If the louver direction