Midea Error Codes & Diagnostics
Complete diagnostic directory for official Midea fault codes. Verify root causes, safe troubleshooting steps, and replacement part numbers before calling a technician.
Midea E1 error code: Aurora Xtreme communication fault
In the cited Midea Aurora Xtreme service manual, E1 means the indoor unit repeatedly failed to receive feedback from the outdoor unit; other Midea product categories can assign E1 differently. Applies to: Aurora Xtreme Inverter 36,000 BTU cooling-only 220 V This meaning belongs to one documented model: the Aurora Xtreme Inverter at 36,000 BTU, cooling only, 220 V. Midea builds across window units, portables, ducted equipment, and several ductless ranges, and E1 is not reserved for communication in all of them. If your model plate does not match, this page is the wrong page. Owner-safe checks: Verify the exact model family before using this meaning, because Midea E1 is not universal. | Record whether the code appears after a power interruption or installation work. Qualified technician: Signal-voltage measurement, reactor inspection, and PCB replacement are technician procedures. | Do not open the outdoor electrical compartment or attempt live meter tests.
Midea E2 error code: indoor coil temperature sensor fault
Midea assigns E2 to a fault on the indoor coil temperature sensor, the thermistor clipped to the evaporator pipework. The control sees the sensor reading as an open circuit or a short circuit, so it stops relying on it. The fault is in the sensor, its wiring, or the board input, not in the coil itself. Applies to: Midea wall-split systems, and systems built on the same platform sold under other names, that publish E2 This meaning follows Midea troubleshooting and service literature for wall-split systems that list E2 as the indoor coil or tube sensor fault. Midea supplies platforms to other brands with the same code table, and Midea's own portable and window units number codes differently, so confirm the model. Owner-safe checks: Note whether E2 is steady from every start or intermittent, and whether a power cycle clears it and for how long. | Record the indoor and outdoor model numbers so a technician can look up the correct sensor resistance table. Qualified technician: Measuring the sensor resistance, inspecting the harness and connector, and replacing the sensor or the board all require opening the indoor unit and belong with a technician.
Midea E3: the indoor fan is not running at the speed it was told to
Midea's code reference gives E3 as indoor fan speed out of control. The indoor board commands a speed and compares it against the rotation the motor actually reports, and a mismatch beyond what it tolerates raises the code. It says the speed is wrong; it does not say whether the motor, the drive, or something physical caused it. Applies to: Midea residential split air conditioners covered by the Midea online troubleshooting code reference Midea manufactures for many brands as well as selling under its own name, and code sets differ between those programmes even where hardware is shared. This reading applies to Midea-branded residential split equipment covered by the Midea troubleshooting reference. Confirm against the manual issued with your unit. Owner-safe checks: Switch the unit off rather than leaving it attempting to start, since the refrigerant circuit should not run against a stationary indoor coil. | Clean or replace the indoor filters according to the manual, and confirm the outlet louvres are free to move. | Capture a description of any sound that preceded the fault, which setting produced it, and approximately what week it began. Qualified technician: Everything that would confirm this fault, from releasing a jammed wheel to putting a meter on the feedback line, happens with the indoor casing open and is therefore qualified work. | Do not reach through the outlet louvres to turn the fan wheel. The blades and the drive are not designed for that access and the assembly can start without warning.
Midea P2: the compressor top temperature protection has acted
Midea gives P2 as compressor top temperature protection. A sensor on the compressor shell has reported a temperature above what the control permits, and operation has stopped to keep the motor and its lubricant inside their design range. It is a protection acting correctly, not a declaration that the compressor has failed. Applies to: Midea residential split air conditioners and heat pumps covered by the Midea online troubleshooting code reference Midea builds equipment for several brand programmes alongside its own range, and code assignments vary between them. This reading applies to Midea-branded residential split equipment covered by the Midea troubleshooting reference; a P2 on a unit sold under another name follows that brand's documentation. Owner-safe checks: Stop calling for operation and leave the system off so the compressor is not repeatedly restarted into the same condition. | Isolate the outdoor unit at its dedicated switch, then clear leaves, cuttings, and vegetation from around the casing without touching the coil fins. | Note the outdoor temperature at each stop and how the system had been performing in the weeks before. Qualified technician: Charge measurement, leak detection, coil cleaning, and shell sensor testing are certified refrigerant and electrical tasks. | Never add refrigerant without finding where the previous charge went, and never wash or comb an outdoor coil without the training to avoid damaging the fins.