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Midea Error Code EC50: outdoor temperature sensor fault (Heat Pump)

Updated · by Aurora Star Tech Inc.

Midea error code EC50 on a heat pump means: outdoor temperature sensor fault. It is also called Midea diagnostic code EC50.

Medium severityHeat PumpMidea DLCURA ducted single-zone inverter heat pump (outdoor)

Homeowner? What Midea code EC50 means for you

Check, then call Your heat pump is reporting: outdoor temperature sensor fault. This is often caused by something simple. Try the safe checks below; if the code returns, book a service call before it turns into a no-heat or no-hot-water emergency.

Safe things you can check yourself

  • Check the thermostat: right mode (Heat or Cool), set a few degrees past room temperature, and fresh batteries if it uses them.
  • Check both breakers and the outdoor disconnect box beside the outdoor unit; all should be ON.
  • Look at the air filter. If it is grey and clogged, replace it; a blocked filter causes many shutdowns.
  • In winter, keep snow and ice off and away from the outdoor unit. A short defrost cycle with steam is normal.
  • Try one reset: turn the power off for 30 seconds, then back on. If the code comes back, stop resetting and call a technician.

Call (647) 657-2977Book a service call

Licensed technicians serving Vaughan, Toronto and the GTA.

What does Midea error code EC50 mean?

The outdoor board reads the outdoor temperature sensor as open or shorted. Manual gives the meaning only; steps are standard sensor checks.

Applies to: DLCURAH18-60 AAK/ABK single-zone heat pump outdoor units (18K-60K, regular and High Heat)

Common causes of Midea code EC50

  • Sensor connector loose or unplugged on outdoor board
  • Damaged sensor wire
  • Failed sensor

A technician checks these and 1 other possible causes on site before replacing any part.

Safety: Gas, electrical and refrigerant work must be done by a licensed technician. Turn off power and gas before servicing, never bypass a safety control, and always follow the manufacturer's manual for your exact model.

Midea models that use code EC50

DLCURAH18AAKDLCURAH18ABKDLCURAH24AAKDLCURAH24ABKDLCURAH30AAKDLCURAH30ABKDLCURAH36AAKDLCURAH36ABKDLCURAH48AAKDLCURAH48ABKDLCURAH60AAKDLCURAH60ABK

Other Midea Heat Pump codes

CodeMeaning
EC07Outdoor DC fan motor fault / speed out of control
EC5CHigh pressure sensor failure
EC51Outdoor EEPROM error
EC52condenser coil temperature sensor fault
EC53outdoor ambient temperature sensor fault
EC54Discharge temperature sensor (TP) open/short
EC57refrigerant pipe temperature sensor fault
EC71Outdoor DC fan motor over-current
EC72Outdoor DC fan motor lack-phase
EL01Indoor/outdoor communication error
EL16Main board to transit board communication error
LC06Inverter module (IPM) high temperature protection

All Midea Heat Pump error codes →

Midea code EC50: homeowner questions

What does Midea code EC50 mean?

outdoor temperature sensor fault. The outdoor board reads the outdoor temperature sensor as open or shorted. Manual gives the meaning only; steps are standard sensor checks.

Is it safe to keep using my heat pump with code EC50?

It depends on the cause. This is often caused by something simple. Try the safe checks below; if the code returns, book a service call before it turns into a no-heat or no-hot-water emergency.

Can I reset Midea code EC50 myself?

You can try one reset (power off for 30 seconds, then on). If Midea code EC50 comes back, the cause is still there and a licensed technician should check it.

Who can fix Midea code EC50 near me?

Aurora Star Tech Inc. repairs Midea heat pumps in Vaughan, Toronto and across the GTA. Call (647) 657-2977 or book a service call online.

Homeowner help: AC Running But Not Cooling: What to Check · Heat Pump Not Heating or Blowing Cold Air

Source: Midea/Carrier DLCURA Installation Instructions (Catalog DLCURA-03SI), Table 11 Outdoor Unit Diagnostic Codes, p.19. Written in our own words as a summary; always check the original manual.

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.

Emergency HVAC Service

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