Malfunction
No.
Name
Freon-lacking
4
protection
High-tempe-
rature over
5
load
protection
Electric schematic diagram
The Electric schematic diagram are subject to change without notice.
Please refer to which one on the unit.
Display
Code
Unit's
Condition
Display
Window
F0
The compr-
essor stops;
the fan mo-
tor keeps on
H3
running.
WATER
HUMIDITY SENSOR
LEVEL SWITCH
ST
CN4
AP2
CN1
CN1
DISPLAY
BOARD
TUBE
MAIN BOARD
RT1
TUBE
TEMP.SENSOR
YEGN
● Refrigerant is leaking.
● System is blocked
● Ambient operation condition is
bad.
● The evaporator and condenser
are blocked with filth.
● The system is abnormal.
M
FAN
MOTOR
RD
BU
FAN N2
CN2
BN(BK)
AC-L
BU(WH)
N1
YEGN(GN)
AP1
COMP
BU
RD
C
COMP
2
COMP.
PE
15
Possible Causes
L
N
POWER
PE