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
Display
Window
F0
H3
HUMIDITY
UV LIGHT
SENSOR
ST
TEMP/HUM
HEALTH
DISP
AP2
DISPLAY
BOARD
TUBE
WIFI
RT1
AP3
TUBE TEMP.
WIFI
SENSOR
MODULE
OPTIONAL
Unit's
Condition
● Refrigerant is leaking.
● System is blocked
Compressor
stops opera-
● Ambient operation condition is
tion. 30s lat-
bad.
er , the fan
● The evaporator and condenser
will also stop
are blocked with filth.
operation.
● The system is abnormal.
M1
PROXIMITY
SWITCH
BN
FAN
CN5
AC-L
AP1
DISP
MAIN BOARD
N
COMP
RD
C
2
COMP
YEGN
COMP.
PE
15
Possible Causes
FAN
MOTOR
RD
C1
BN(BK)
L
BU(WH)
N
YEGN(GN)
POWER
BU
PE