Midea CTBU-09HWFN1-M

88
16.1 Indoor Unit Error Display
Operation
lamp
Timer lamp
Display
LED STATUS
☆ 1 time
X
E0
Indoor unit EEPROM parameter error
☆ 2 times
X
E1
Communication malfunction between indoor and
outdoor units
☆ 4 times
X
E3
Indoor fan speed malfunction
☆ 5 times
X
E4
Indoor room temperature sensor (T1 ) malfunction
☆ 6 times
X
E5
Evaporator coil temperature sensor (T2) malfunction
☆ 7 times
X
EC
Refrigerant leakage detection
☆ 8 times
X
EE
Water-level alarm malfunction
☆ 1 time
O
F0
Current overload protection
☆ 2 times
O
F1
Outdoor ambient temperature sensor (T4 ) malfunction
☆ 3 times
O
F2
Condenser coil temperature sensor (T3) malfunction
☆ 4 times
O
F3
Compressor discharge temperature sensor (T5)
malfunction
☆ 5 times
O
F4
Outdoor unit EEPROM parameter error
☆ 6 times
O
F5
Outdoor fan speed malfunction
☆ 7 times
O
F6
Indoor coil outlet pipe sensor(Located on outdoor unit
low pressure valve)
☆ 8 times
O
F7
Communication malfunction between Cassette optional
lift panel and the unit
☆ 9 times
O
F8
Cassette optional lift panel malfunction
☆ 10 times
O
F9
Cassette optional lift panel not closed
☆ 1 times
☆
P0
Inverter module (IPM) malfunction
☆ 2 times
☆
P1
Over-voltage or under-voltage protection
☆ 3 times
☆
P2
Compressor top high temperature protection (OLP)/
High temperature protection of IPM board
☆ 4 times
☆
P3
Low ambient temperature cut off in heating
☆ 5 times
☆
P4
Compressor drive malfunction
☆ 6 times
☆
P5
Indoor units mode conflict
☆ 7 times
☆
P6
Low pressure protection
☆ 8 times
☆
P7
Outdoor IPM temperature sensor error
O（light） X（off） ☆（flash）