Midea CTBU-09HWFN1-M

89
16.2 Outdoor unit error display
For 9K-24K outdoor unit:
No.
Problems
LED2
(Green)
LED1
(Red)
IU display
1
standby for normal
O
X
2
Operation normally
X
O
3
Compressor drive board EEPROM error
O
☆
E5
4
IPM malfunction or IGBT over-strong current protection
☆
X
P0
5
Over voltage or too low voltage protection
O
O
P1
6
Inverter compressor drive error
X
☆
P4
7
Inverter compressor drive error
☆
O
P4
8
Communication malfunction between main control board
and driver board
☆
☆
P4