2
4
9.2 Outdoor unit error display
For
CH-09DKT230VI, CH-12DKT230VI
，
CH-18DKT230VI
After power on, LED3(Green color) and LED2(Red color) will be flash if the unit has some
problems.
No.
Problems
LED3
(Green)
LED2
(Red)
IU display
1
standby for normal
O
X
2
Operation normally
X
O
3
IPM malfunction or IGBT over-strong current protection
☆
X
P0
4
Over voltage or too low voltage protection
O
O
P1
5
EEPROM parameter error
O
☆
E5
6
Inverter compressor drive error
X
☆
P4
7
Inverter compressor drive error
☆
O
P4
8
Inverter compressor drive error
☆
☆
P4
O
（
light
）
X
（
off
）
☆（
2.5Hz flash
）
bridge
fast recovery diode
(FRD)
290-330VDC standby
210-300VDC running
connect to reactance
ill
R316
�-□mi.
T
T
■
Bl,¢_
IGBT 1PM for
compressor
connect to the
DR module
fuse 250V 30A
connect to earth
power supply 208-230V AC connect to the
terminal
connect to 4-way valve
t•-.Hfli!l-1-+------ when 4-way is on, output 208-230V AC
l=T'!"",:;;14------ CN5/CN4 connect to chassis heater
when heater is on, output 208-230V AC
2 high speed
�l------
AC FAN motor
11
low speed
=�1rtr����ci-EEPROM Programmer Port
3 ground
connect to compressor heater
when heater is on, output 208-230V AC
connect to electric exp nsion valve
..i:;:;i... _____ test port
"' +i2voc
v,
+12VDC
.i:.
+ 12V DC pulse wave between( +4)-GND
I
U
external drive motor
w
+ 12V DC pulse wave between( +3)-GND
...._,_____ V ��n;��t:on�;y
motor rv
+ 12V DC pulse wave between( +2)-GND
,,!Id.+----- W
10-200V AC' running
+ 12V DC pulse wave between(
+
1 )-GND
TP T4 TI
7 6 5 4 3 2 1
� �� �� �
� ��
pipe temp.sensor&
room temp. sensor
exhaust temp. sensor
LED: status light (yellow)
slow flicker, standby (0.5Hz)
quick flicker, error (2Hz)
continuous light: running
Содержание CH-09DKT230VI
Страница 29: ...27 IPM board TO MAIN W connecttothecompressor V OVAC standby 10 200VAC running...
Страница 41: ...39 P W N U...
Страница 42: ...40 N V N W...
