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
Summary of Contents for M2OC-18HFN1-M
Page 19: ...8 Wiring Diagrams 8 1 Wiring diagram of 1 drive 2 outdoor M2OC 18HFN1 M M2OD 18HFN1 M...
Page 20: ...PCB board of M2OC 18HFN1 M M2OD 18HFN1 M...
Page 21: ...IPM board of M2OC 18HFN1 M...
Page 22: ...IPM board of M2OD 18HFN1 M...
Page 23: ...8 2 Wiring diagram of 1 drive 3 outdoor M3OD 27HRDN1 M M3OC 30HRFN1 M...
Page 24: ...PCB board of M3OC 30HRFN1 M...
Page 25: ...IPM board of M3OC 30HRFN1 M...
Page 26: ...PCB board of M3OD 27HRDN1 M...
Page 27: ...IPM board of M3OD 27HRDN1 M...
Page 28: ...8 3 Wiring diagram of 1 drive 4 outdoor M4OC 36HRFN1 M...
Page 29: ...PCB board of M4OC 36HRFN1 M...
Page 30: ...IPM board of M4OC 36HRFN1 M...
Page 31: ...PFC board of M4OC 36HRFN1 M...
Page 66: ...IPM for dual tri zone IPM for qua zone P N for dual tri zone...
Page 67: ...P N for qua zone...
Page 68: ...bridge rectifier for dual tri zone bridge rectifier for qua zone...
Page 69: ...Remark Measure the DC voltage between and port The normal value should be 190V 250V...
Page 71: ...Two ports of the inductance Inductance...
Page 72: ......
Page 77: ......
Page 79: ......
Page 81: ......
Page 83: ......
Page 96: ...6 EXV check Disconnect the connectors...
Page 98: ...Red Blue Red Yellow...
Page 99: ...Brown Orange Brown White...
Page 114: ...Screws of front panel Screws of right rear panel Screws of top cover...
Page 128: ......