Midea MLCAC-UTSM-2010-10

Troubleshooting MLCAC-UTSM-2010-10
82 Outdoor Units
9.2 Outdoor unit malfunction
Display Malfunction or Protection
E0 EEPROM malfunction
E2 Communication malfunction between indoor IC and outdoor IC
E3 Communication malfunction in outdoor IC and DSP
E4 Malfunction of outdoor temperature sensor
E5 Voltage protection of compressor
E6 PFC module protection (Only for 30K, 36K & 48K with 1 phase)
P0 Top temperature protection of compressor
P1 High pressure protection
P2 Low pressure protection
P3 Current protection of compressor
P4 Discharge temperature protection of compressor
P5 High temperature protection of condenser
P6 Module protection
1. E0 malfunction
E0 display
EEPROM malfunction
Judge: Check whether the EEPROM is inserted well
Yes
No
Insert the EEPROM well
Replace outdoor main board