Midea M4OC-36HRFN1-M - Page 34

For MCA2I-12HRDN1-M, MCA2I-18HRDN1-M, MUBI-12HRDN1-M, MUBI-18HRDN1-M:
Operation
Timer
De-frost
Alarm
Failure
★
X
X
X
Open or short circuit of T1 temperature sensor
X
X
★
X
Open or short circuit of T2 temperature sensor
X
★
X
X
Communication malfunction between indoor and outdoor units
X
X
X
★
Full-water malfunction
★
★
X
X
Indoor EEPROM malfunction
★
X
X

IPM module protection
★

X
X
Open or short circuit of T3 or T4 temperature sensor
★

X

Voltage protection
★
★
★
★
Temperature protection of compressor top.
★
X


Mode conflict
★


X
Inverter compressor drive protection
★ flash (For cassette, flash at 5Hz)(for ceiling&floor, flash 2.5Hz),  light, X extinguished,
For MTBI-12HWDN1-M, MTBI-18HWDN1-M:
Operation
Timer
De-frost
Alarm
Failure
Display
ODU Error
code
★
X
X
X
Open or short circuit of T1 temperature sensor
E0
——
X
X
★
X
Open or short circuit of T2 temperature sensor
E1
——
X
★
X
X
Communication malfunction between indoor and
outdoor units
E2
E2
X
X
X
★
Full-water malfunction
E3
——
★
★
X
X
Indoor EEPROM malfunction
E4
——
★
X
X

IPM module protection
E5
P6
★

X
X
Open or short circuit of T3 or T4 temperature
sensor or outdoor EEPROM malfunction
E6
E0,E4
★

★
X
Outdoor fan has been out of control
E7
E8
★

X

Voltage protection
P0
E5
★
★
★
★
Temperature protection of compressor top.
P3
P0
★
◎
X
X
Inverter compressor drive protection
P4
——
★
X

X
Mode conflict
P5
——
★ flash at 2.5Hz,  light, X extinguished ◎flash at 1Hz