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6.TROUBLE SHOOTING:
6.1. The LED of indoor display board will show the error sequence automatically when the unit has
the following trouble:
Remark：
Light
Error
★
code
Content
When the evaporator
pipe temperature is
E2
higher than 63 ℃, the
error code will display
When the indoor fan
speed is lower than
E4
200 rpm, the error
code will display
the error code will
display when the
communication
EA
between display
board and control
board have in trouble
6.2.The Error inquiry should be operate in the stand-by state, keep 5 sec press and hold on the
Emergency button, the error code will be displayed in 10 sec, then the indoor unit display will
recovery to the original. If two or more malfunction happened, each error code will be displayed
alternatively. If the appliance could save information under no power condition, then the error
code can be inquired as aforesaid with stand-by state after power resume.
NOTE: If the troubleshooting inquiry display by 7-segment tube, then the error code will be
displayed, otherwise only the LED of the display board can show.
Remark：★Light
Error
code
Content
The failure for
1
temperature sensor of
outdoor coil
The failure for
33
temperature sensor of
indoor room
The failure for
34
temperature sensor of
indoor coil temperature
o Flash
x OFF
The root cause is may be one of the
Remark
following
a.
the indoor pipe temperature between 53℃<T<63℃, the
outdoor fan motor will stop running. When the indoor coil
temperature is higher than 63℃, the error code will
display. After the indoor pipe temperature is lower than
49℃, the air conditioner will restart normally.
b.
c.
d.
a.
the indoor fan motor;
b. The fan motor cord connect loose;
c. The fan motor is failure;
d. The indoor control board is failure
a.
display board and control board is loose;
b. The indoor control board is failure.
c.The wiring of the display board is failure.
o
x
Flash
OFF
Remark
The root cause is may be one of the following
a.
The outdoor temperature sensor loose;
Heat pump
b.
The outdoor temperature sensor is failure;
c.
The indoor control board is failure
a.
The indoor room temperature sensor loose;
b.
The indoor room temperature sensor is failure;
c.
The indoor control board is failure.
a.
The indoor coil temperature sensor loose;
b.
The indoor coil temperature sensor is failure;
c.
The indoor control board is failure.
It is normally for protection, When
The indoor coil temperature sensor is loose;
The indoor coil temperature sensor is failure;
The indoor control board is failure.
There are something block
The connection between the
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