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7
owner’s manual
Table 9-1
NO.
Malfunction timer lamp
running lamp (flashes per second)
1
2
3
4
5
6
7
8
display (nixie tube)
Refrigerant leakage detection
malfunction
OFF
EC
Water-level alarm malfunction
8
EE
OFF
Outdoor room temperature sensor
open circuit or short circuit
F1
2
Outdoor condenser pipe
temperature sensor error
3
4
5
ON
F2
E3
Indoor fan speed malfunction
OFF
E4
Indoor room temperature sensor
open circuit or short circuit
OFF
E5
Evaporator coil temperature
sensor open circuit or short circuit
OFF
E9
Other malfunctions of the twins model
OFF
9
Communication malfunction
between the indoor and outdoor units
OFF
E1
10
11
12
13
Discharging air temperature
sensor error
F3
Outdoor EEPROM error
F4
Communication malfunction
between two indoor units (for the
twins model)
E8
OFF
F0
1
10
9
7
6
5
4
2
1
Current overload protection
Indoor EEPROM error
E0
OFF
14
15
16
17
18
19
20
21
22
Outdoor fan speed malfunction
(Only for DC fan motor)
T2b sensor error
F5
F6
6
7
1
2
ON
ON
ON
ON
ON
ON
Inverter module IPM protection
P0
Flash
High/Low voltage protection
P1
Flash
High temperature protection of the
compressor top
P2
3
Outdoor low temp. protection
P3
4
Compressor drive error
P4
5
Mode conflict
P5
6
Flash
Flash
Flash
Flash
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