Midea Error Codes & Diagnostic Codes

Updated October 13, 2026 · by Aurora Star Tech Inc.

Midea error codes and diagnostic codes: look up a code to see what it means, the likely causes and the steps to fix it.

Midea error codes by equipment type

Midea Furnace error codes

Code	Meaning
E1	Low-fire pressure switch stuck closed
E2	Low pressure switch stuck open
E3	High pressure switch stuck open
E4	Pressure switch cycle lockout
E5	Limit/rollout switch open less than 5 minutes
E6	Limit/rollout switch open more than 5 minutes
E7	System lockout - failed ignition
E8	System lockout - too many flame dropouts
FL	Low flame signal
LED2 green 1 flash	Refrigerant leak sensor communication failure
LED2 green 2 flashes	Refrigerant concentration above alarm limit (leak)
LED2 green 3 flashes	Sensor connected but SW1-2 OFF (DIP reminder)
LED2 green 4 flashes	Refrigerant sensor expired or faulty
Pr	Incorrect polarity of L1/L2

Midea Heat Pump error codes

Code	Meaning
EC07	Outdoor DC fan motor fault / speed out of control
EC5C	High pressure sensor failure
EC50	outdoor temperature sensor fault
EC51	Outdoor EEPROM error
EC52	condenser coil temperature sensor fault
EC53	outdoor ambient temperature sensor fault
EC54	Discharge temperature sensor (TP) open/short
EC57	refrigerant pipe temperature sensor fault
EC71	Outdoor DC fan motor over-current
EC72	Outdoor DC fan motor lack-phase
EL01	Indoor/outdoor communication error
EL16	Main board to transit board communication error
LC06	Inverter module (IPM) high temperature protection
PC0A	Condenser high temperature protection
PC0F	PFC module protection
PC0L	Outdoor unit low-temperature protection
PC00	Inverter module (IPM) protection
PC02	Compressor top temperature protection
PC06	Compressor discharge temperature protection
PC08	Outdoor over-current protection
PC10	Outdoor low AC voltage protection
PC11	Outdoor DC bus high voltage protection
PC12	DC bus high voltage protection / 341 MCE error
PC30	System high pressure protection
PC31	System low pressure protection
PC40	Main chip to compressor-driver chip communication error
PC42	Compressor start failure
PC43	Compressor lack-phase protection
PC44	Outdoor unit zero-speed protection
PC45	Outdoor IR chip drive failure
PC46	Compressor speed out of control
PC49	Compressor over-current failure
PH90	Evaporator high temperature protection
PH91	Evaporator low temperature protection

Find codes by Midea model

Midea 96% AFUE A2L Gas Furnace (BGH96M)

BGH96M060B3A BGH96M080B3A BGH96M080C4A BGH96M100C5A BGH96M100D5A BGH96M120D5A

Midea DLCURA ducted single-zone inverter heat pump (outdoor)

DLCURAH18AAK DLCURAH18ABK DLCURAH24AAK DLCURAH24ABK DLCURAH30AAK DLCURAH30ABK DLCURAH36AAK DLCURAH36ABK DLCURAH48AAK DLCURAH48ABK DLCURAH60AAK DLCURAH60ABK

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.