Pioneer UB018 Owner's Manual page 9

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