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