Midea M4OC-36HRFN1-M - Page 39

9.3.3 Outdoor unit error display
Display
LED STATUS
IDU
Error
(Vertu/Luna)
IDU
Error
(Oasis)
IDU
Error
(MTBI(MTBU))
E0
Outdoor EEPROM malfunction
E5
F4
E6
E2
Communication malfunction between indoor and outdoor units
E1
E1
E2
E3
Communication malfunction between IPM board and outdoor main
board
——
——
——
E4
Open or short circuit of outdoor temperature sensor(T3、T4、TP、
T2B)
E5
F2
E6
E5
Voltage protection
P1
P1
P0
E6
PFC module protection(Only for M4OC-36HRFN1-M)
——
——
——
E8
Outdoor fan speed has been out of control(Only for DC fan motor
models)
——
F5
——
F1
No A Indoor unit coil outlet temp. sensor or connector of sensor is
defective
——
——
——
F2
No B Indoor unit coil outlet temp. sensor or connector of sensor is
defective
——
——
——
F3
No C Indoor unit coil outlet temp. sensor or connector of sensor is
defective
——
——
——
F4
No D Indoor unit coil outlet temp. sensor or connector of sensor is
defective
——
——
——
P0
Temperature protection of compressor top (Only for M3OD-27HRDN1-
M)
P2
P2
P3(P1)
P1
High pressure protection (Only for M4OC-36HRFN1-M)
——
——
——
P2
Low pressure protection(Only for M4OC-36HRFN1-M)
——
——
——
P3
Current protection of compressor
——
——
——(P2)
P4
Temperature protection of compressor discharge
——
——
——
P5
High temperature protection of condenser
——
——
——
P6
IPM module protection
P0
P0
E5