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7.2 Error Codes and Description indoor display
Indoor Malfunction
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
E2: Heat-exchange sensor failure
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.
Check the value of the
sensor to see whether the
sensor is damaged or not?
The indoor PCB is broken, replace with new indoor PCB
E4 Indoor EEPROM error Replace the PCB of indoor unit
E14: Indoor fan motor malfunction
Notes:
When the unit is on, don't pull out or insert the terminal of the motor (CN26), or else the motor
would be damaged.
Code indication
indoor
E1
E
2
E
4
E14
NO
32
Description
Room temperature sensor failure
H
e
t a
e -
c x
h
a
n
g
e
s
e
n
s
r o
a f
u l i
n I
d
o
r o
E
E
P
R
O
M
e
r r
r o
Indoor fan motor malfunction
CN6
CN6
YES
Sensor is broken,replace it with new sensor
Codes and description
Reference
Page
e r
Domestic Air Conditioner
32
32
32
33
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