Midea MCH3U-27PHH2

34
8.2 Indoor Unit Error Display
For Old Console series
Operation
Timer
De-
frost
Failure
★
X X Indoor room temperature sensor (T1 ) malfunction
X X
★
Evaporator coil temperature sensor (T2) malfunction
X
★
X Communication malfunction between indoor and outdoor units

★
X Low ambient temperature cut off in heating
★ ★
X Indoor unit EEPROM parameter error
X
★

Outdoor fan speed malfunction
★
X
★
Inverter module (IPM) malfunction
★
★ ★
Outdoor temperature sensor(coil sensor T3 or ambient
temperature sensor T4) malfunction or Outdoor unit EEPROM
parameter error
★

X Compressor top high temperature protection (OLP)
★ ◎
X Compressor drive protection
★
X

Indoor units mode conflict
★

★
Indoor fan speed malfunction
◎
X X
In standby mode
●
◎ ◎
In force cooling mode
★ flash at 5Hz,  light, X extinguished, ◎flash at 0.5Hz
For Old Duct/Cassette/Floor Ceiling
Operatio
n
Time
r
De-
frost
Alar
m
Failure
Display
ODU Error
code
★
X X X
Indoor room temperature sensor
(T1 ) malfunction
E0 ——
X X
★
X
Evaporator coil temperature
sensor (T2) malfunction
E1 ——
X
★
X X
Communication malfunction
between indoor and outdoor units
E2 E2
X X X
★
Water-level alarm malfunction E3 ——
★ ★
X X
Indoor unit EEPROM parameter
error
E4 ——
★
X X

Inverter module (IPM) malfunction
E5 P6