Codes and description
Domestic air conditioner
7.2 Error Codes and Description indoor display
Code indication
indoor
Description
Reference
Page
E1
Room temperature sensor failure
15
5
1
e
r
u
li
a
f
r
o
s
n
e
s
e
g
n
a
h
c
x
e
-
t
a
e
H
2
E
Indoor Malfunction
5
1
r
o
r
r
e
M
O
R
P
E
E
r
o
o
d
n
I
4
E
The code indication that is listed above is the main fault
Troubleshooting
Caution
Be sure to turn off power switch before connect or disconnect connector,
or else parts damage
may be occurred.
E1: Room temperature sensor failure CN6
E2: Heat-exchange sensor failure CN6
NO
Check
the
value
of
the
sensor to see whether the
sensor is damaged or not?
YES
The indoor PCB is broken, replace with new indoor PCB
Sensor is broken,replace it with new sensor
Pull the sensor out of the mainboard
1)
Measure the value of resistance Between its two
jumpers
2)
Measure the temperature at the room temperature
sensing head.
E4
Indoor EEPROM error:
Replace the PCB of indoor unit
HSU-
HEK13/R2
32
Summary of Contents for HSU18XH7-G - Ductless Split Indoor Wall Mount Unit Heat...
Page 41: ...68 5...
Page 42: ...68 5...
Page 44: ...HSU 24HEK13 R2 49 46 43 58 pressure M L HSU 24HEK13 R2 9...
Page 49: ...Domestic air conditioner Piping diagrams 68 5...
Page 50: ...Indoor 48 HSU 18 24HEK13 R2...
Page 56: ...HSU 24HEK13 R2 Indoor unit 938 265 190 377 115 89 HSU 18 24HEK13 R2 54...
Page 60: ...Liu Ming He Shiquan Wu Hongjin Zhang Jing The end 0532 8893 6935 HSU 18 24HEK13 R2...