Trouble Shooting - Midea MFM-24ARN1-Q Service Manual

DM16-01.01.25en

10.Trouble shooting

10.1 Self-diagnosis
10.1.1 LEDs for the indication of indoor trouble
For 24K
Codes Contents
P4 Temperature protection of indoor evaporator
P5 Temperature protection of outdoor condenser
P9 Anti-cold air(For heat pump models)
E1 Open- or short-circuit of T1 temperature sensor
E2 Open- or short-circuit of T2 temperature sensor
E3 Open- or short-circuit of T3 temperature sensor
E6 Protection of outdoor unit
EC Refrigerant leakage detection
HS Defrosting(For heat pump models)
For other models:
Codes Contents
P4 Temperature protection of indoor evaporator
P5 Temperature protection of outdoor condenser
P7 Temperature protection of compressor discharge
P9 Anti-cold wind(For heat pump models)
P10 Low pressure protection
P11 High pressure protection
P12 Current overload protection
E1 Open- or short-circuit of T1 temperature sensor
E2 Open- or short-circuit of T2 temperature sensor
E3 Open- or short-circuit of T3 temperature sensor
E4 Open- or short-circuit of T4 temperature sensor
E5 Communication malfunction between indoor unit and outdoor unit
E10 Low pressure failure of compressor
E13 Lack of phase
E14 Default phase of compressor
EC Refrigerant leakage detection
HS Defrosting(For heat pump models)
43
Floor Standing MFM
Service manual