HVACopediaMidea heat pump error codes
34 codes with causes and test steps, plus 1 settings tables.
| Code | Meaning | Severity |
|---|---|---|
| EC5C | High pressure sensor failure | Medium |
| EC07 | Outdoor DC fan motor fault / speed out of control | High |
| EC50 | outdoor temperature sensor fault | Medium |
| EC51 | Outdoor EEPROM error | High |
| EC52 | condenser coil temperature sensor fault | Medium |
| EC53 | outdoor ambient temperature sensor fault | Medium |
| EC54 | Discharge temperature sensor (TP) open/short | Medium |
| EC57 | refrigerant pipe temperature sensor fault | Medium |
| EC71 | Outdoor DC fan motor over-current | High |
| EC72 | Outdoor DC fan motor lack-phase | High |
| EL01 | Indoor/outdoor communication error | High |
| EL16 | Main board to transit board communication error | High |
| LC06 | Inverter module (IPM) high temperature protection | High |
| PC00 | Inverter module (IPM) protection | High |
| PC0A | Condenser high temperature protection | Medium |
| PC0F | PFC module protection | High |
| PC0L | Outdoor unit low-temperature protection | Low |
| PC02 | Compressor top temperature protection | High |
| PC06 | Compressor discharge temperature protection | High |
| PC08 | Outdoor over-current protection | High |
| PC10 | Outdoor low AC voltage protection | Medium |
| PC11 | Outdoor DC bus high voltage protection | High |
| PC12 | DC bus high voltage protection / 341 MCE error | High |
| PC30 | System high pressure protection | High |
| PC31 | System low pressure protection | High |
| PC40 | Main chip to compressor-driver chip communication error | High |
| PC42 | Compressor start failure | High |
| PC43 | Compressor lack-phase protection | High |
| PC44 | Outdoor unit zero-speed protection | High |
| PC45 | Outdoor IR chip drive failure | High |
| PC46 | Compressor speed out of control | High |
| PC49 | Compressor over-current failure | High |
| PH90 | Evaporator high temperature protection | Medium |
| PH91 | Evaporator low temperature protection | Medium |
Settings and specs
Outdoor unit minimum clearances
Clearances · Midea DLCURA ducted single-zone inverter heat pump (outdoor)
| Side | Minimum |
|---|---|
| A - top | 24 in. (610 mm) |
| B - right side (service side) | 24 in. (610 mm) |
| C - front (air outlet) | 24 in. (610 mm) |
| D - left side | 4 in. (101 mm) |
| E - rear (air inlet) | 4 in. (101 mm) |
| Above max snow depth | 2 in. (50 mm) |
- Side letters taken from Fig. 8 drawing.
- Units facing each other: 59 in. (150 cm) or more; do not blow into another unit's inlet.
- Do not bury more than 36 in. of line set; buried lines need a 6 in. rise at the valves.
Source: Midea DLCURA Installation Instructions (Catalog No. DLCURA-03SI, 12/22), Table 5 Clearance Dimensions and Fig. 8-9, PDF p.10 (printed p.8); burial caution PDF p.4
Models covered
DLCURAH18AAKDLCURAH18ABKDLCURAH24AAKDLCURAH24ABKDLCURAH30AAKDLCURAH30ABKDLCURAH36AAKDLCURAH36ABKDLCURAH48AAKDLCURAH48ABKDLCURAH60AAKDLCURAH60ABK
For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.