6.TROUBLE SHOOTING:
1.The LED of indoor display board will show the error sequence automatically when the unit has the following
trouble:
Error
code
Power Timer Running Sleep Remark
：
★
Light o Flash x OFF
1
2
3
4
Content
Remark
The root cause is may be one
of the following
E2
When the evaporator
pipe temperature is
higher than 63
℃
, the
error code will display
a.
It is normally for protection, When
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.
The indoor coil temperature sensor is
loose;
c.
The indoor coil temperature sensor is
failure;
d.
The indoor control board is failure.
E4
When the indoor fan
speed is lower than
200 rpm, the error
code will display
a.
There are something block
the indoor fan motor;
b. The fan motor cord connect loose;
c. The fan motor is failure;
d. The indoor control board is failure
EA
the error code will
display when the
communication
between display
board and control
board have in trouble
a.
The connection between the
display board and control board is loose;
b. The indoor control board is failure.
c.The wiring of the display board is
failure.
