Indoor Unit Error Display - Midea M2OC-18HFN1-M Service Manual

9.2 Indoor Unit Error Display

Vertu series & Luna series:
Display
E0 Indoor EEPROM malfunction
E1 Communication malfunction between indoor and outdoor units
E2 Zero-crossing signal error
E3 Indoor fan speed has been out of control
E5 Open circuit or short circuit of outdoor temperature sensor or outdoor EEPROM malfunction
E6 Open circuit or short circuit of T1 or T2 temperature sensor
P0 IPM module protection or IGBT over-strong current protection
P1 Voltage protection
P2 Temperature protection of compressor top
Outdoor temperature is lower than -15° C （optional function）
P3
P4 Inverter compressor drive protection
P5 Mode conflict
Console series
Operation Timer
★
X
X X
★
X
★ ★
★
X
★
X
★
★

★
★ ◎
★
X

★
Failure
De-frost
X Open or short circuit of T1 temperature sensor
★
Open or short circuit of T2 temperature sensor
X Communication malfunction between indoor and outdoor units
X Indoor EEPROM malfunction

Outdoor fan speed has been out of control
★
IPM module protection
★
Open or short circuit of T3 or T4 temperature sensor or Outdoor unit
EEPROM parameter error
X Temperature protection of compressor top
X Inverter compressor drive protection

Mode conflict
★
Indoor fan speed has been out of control
★ flash at 5Hz,  light, X extinguished, ◎flash at 0.5Hz
ODU Error code
Failure
——
E2
——
——
E0,E4
——
P6
E5
P0
——
——
——