Malfunction
1
2
3
4
5
6
7
8
9
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
11
Indoor EEPROM error
Water-level alarm malfunction
Indoor room temperature sensor
open circuit or short circuit
Indoor fan speed malfunction
Communication malfunction
between two indoor units (for
twins model)
Refrigerant leakage detection
malfunction
Evaporator coil temperature
sensor open circuit or short circuit
Other malfunction of twins model
Outdoor room temperature sensor
open circuit or short circuit
Current overload protection
High/Low voltage protection
Inverter module IPM protection
Lifting panel is not closed
Lifting panel malfunction
Lifting panel communication
checking channel is abnormal
T2b sensor error
Outdoor EEPROM error
Outdoor fan speed malfunction
(Only for DC fan motor)
Discharging air temperature
sensor error
Outdoor condenser pipe
temperature sensor error
E0.
E1.
E3.
E4.
E5.
EC.
EE.
E8.
E9.
F0.
F1.
F2.
F3.
F4.
F5.
F6.
F7.
F8.
F9.
P0.
P1.
P2.
P3.
P4.
P5.
ON.
ON.
ON.
ON.
ON.
ON.
ON.
ON.
ON.
ON.
Flash.
Flash.
Flash.
Flash.
Flash.
Flash.
High temperature protection of
compressor top
Mode conflict
Compressor drive error
Outdoor low temp. Protection
The following displays indicate an error or problem:
The displayed error code differs from appliance to appliance. The actual display of the indoor
unit shall prevail.
NO
Display (nixie tube)
timer lamp running lamp (flashes per second)
Communication malfunction
between indoor and outdoor units
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
1
2
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
1
10
1
2
3
4
5
6
16122500000082
20150328
The design and specifications are subject to change without prior notice for product improvement.
Con
tact
844-472-2473 for details.
PA/Manual/01
15
2018
QSBPQ4U-024AEN(A3)
