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Phenomenon
Troubleshooting
Solution
No fan blowed
out from air
conditioner
Whether air outlet or air inlet is
blocked?
Eliminate the obstacles.
Under heating mode, whether
indoor temperature is reached
to set temperature?
The unit will stop blowing fan
after reaching to set
temperature.
Whether heating mode is
started up just now?
In order to prevent cold air, air
conditioner will delay for a while
to be started up, which is the
normal phenomenon.
Set temperature
can’t be
adjusted
Whether the unit operates
under auto mode?
Temperature can’t be adjusted
under auto mode.
Whether the required
temperature exceeds the
temperature setting range?
Temperature setting range:
61°F (17°C) ~86°F (30°C).
The device
gives off an
odor
There’s off-flavour source in
the room, such as furniture,
cigarette, etc.
Remove the source of the smell
Clean the filter
There’s
abnormal
sound during
operation
Whether the unit is interfered
by thunder, radio, etc?
Disconnect power, put through
the power again, and then turn
on the unit again.
You can heard
water-flowing
sound
Whether the unit is turned on
or turned off just now?
There’s flowing sound of
refrigerant inside the air
conditioner, which is the normal
phenomenon.
The device
makes a knock
sound
Whether the unit is turned on
or turned off just now?
Heat expansion or shrinkage
for the panel due to change
of temperature, which cause
friction sound.
Malfunction code
When there’s abnormal phenomenon for the air conditioner, dual-8 nixie tube
displays corresponding malfunction code:
Malfunction code
Solution
F1
Please contact professional person to deal with it.
F2
Please contact professional person to deal with it.
F4
Please contact professional person to deal with it.
FJ
Please contact professional person to deal with it.
EP
Please contact professional person to deal with it.
F0
Please contact professional person to deal with it.
H3
Please contact professional person to deal with it.
