When the indoor unit encounters a recognized error, the indicator light flashes, the timer display may turn on or begin flashing, and an error code displays. The meanings of the error codes are provided in Table 9: EH 00/EH DA: Indoor unit EEPROM parameter error EL 01: Indoor / outdoor unit communication error EH 02: Zero-crossing signal detection error EH 30: Over low voltage protection of indoor external fan EH 31: Over voltage protection of indoor external fan EH 03: The indoor fan speed is operating outside of the normal range EC 51: Outdoor unit EEPROM parameter error EC 52: Condenser coi

If your Midea DLFSHB air conditioner is not cooling, it could be due to several issues: Possible Causes:Dirty air filter or dirty condenser fins.The setting temperature is higher/lower than the room's temperature.The ambient temperature is too high/low when the mode is cooling.Insufficient air through evaporator coil.Shortage of refrigerant or overcharge of refrigerant.Dirty or partially blocked condenser.Air or incompressible gas in refrigerant cycle.Expansion valve obstructed or closed completely.Leaking power element on expansion valve or poor installation of feeler bulb.Heavy load conditio

If the remote control for your Midea DLFSHB air conditioner is not working, consider the following:The remote control might be powered off or there might be a broken remote control.To troubleshoot, you can: Replace the battery in the remote controller. Replace the remote controller if it is broken. For more information, see page 18 of the manual.