Midea Error Code F4: Outdoor EEPROM error (Mini-Split)

Updated October 16, 2026 · by Aurora Star Tech Inc.

Midea error code F4 on a mini-split means: Outdoor EEPROM error. It is also called Midea diagnostic code F4.

High severityMini-SplitMidea DLCM(R/H)B multi-zone outdoor

Homeowner? What Midea code F4 means for you

Call a technician Your ductless mini-split is reporting: Outdoor EEPROM error. The ductless mini-split has locked out or cannot run properly. One reset is fine; if the code comes back, it needs a licensed technician to find the cause.

Safe things you can check yourself

Check the remote: fresh batteries and the right mode (Cool, Heat or Auto).
Check the breaker and the outdoor disconnect; both should be ON.
Open the front cover of the indoor unit and rinse the washable filters if they are dusty; let them dry before putting them back.
Keep the outdoor unit clear of snow, ice and leaves.
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) 657-2977 Book a service call

Licensed technicians serving Vaughan, Toronto and the GTA.

What does Midea error code F4 mean?

Same fault as EC51. Shown on the 48K high heat model.

Applies to: DLCMHBH48EAK (48K high heat) only

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 F4

DLCMHBH24CAK DLCMHBH30DAK DLCMHBH36DAK DLCMHBH48EAK DLCMRBH18BAK DLCMRBH36DAK DLCMRBH48EAK

Other Midea Mini-Split codes

Code	Meaning
EL0C	Refrigerant leak detected
EL01	Indoor / outdoor communication error
F0	Current overload protection
F1	Outdoor ambient sensor (T4) fault
F2	Condenser coil sensor (T3) fault
F3	Discharge sensor (T5) fault
F5	Outdoor fan speed out of control
Fb	Vapor injection inlet sensor fault
FC	Forced cooling
Fd	Vapor injection outlet sensor fault
FH 0d	Fault - see outdoor unit
FH 0P	AP mode on / no Wi-Fi kit

All Midea Mini-Split error codes →

Midea code F4: homeowner questions

What does Midea code F4 mean?

Outdoor EEPROM error. Same fault as EC51. Shown on the 48K high heat model.

Is it safe to keep using my ductless mini-split with code F4?

It depends on the cause. The ductless mini-split has locked out or cannot run properly. One reset is fine; if the code comes back, it needs a licensed technician to find the cause.

Can I reset Midea code F4 myself?

You can try one reset (power off for 30 seconds, then on). If Midea code F4 comes back, the cause is still there and a licensed technician should check it.

Who can fix Midea code F4 near me?

Aurora Star Tech Inc. repairs Midea ductless mini-splits 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

Troubleshooting guides

Indoor unit leaking water All brands · Mini-Split
Poor capacity / high head All brands · Mini-Split
Water leaking All brands · Mini-Split
Discharge the inverter capacitors before service Midea · Mini-Split
Display shows a strange code or does not answer the remote - DLFSHB indoor Midea · Mini-Split
Multi-zone: one room heats, another will not cool - DLC multi-zone Midea · Mini-Split
Read live data with the outdoor check button (SW1) Midea · Mini-Split
Run the automatic wiring / piping correction Midea · Mini-Split

Source: DLCMRBH/DLCMHBH Multi-Zone Outdoor Service Manual (sold as Midea, Carrier and Viessmann Vitocal 200-S; Viessmann doc 6225551-03, 12/2024), Table 24 Outdoor Unit Error Display (48 High Heat only) p.27; diagnosis p.45. 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.