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1. Please check if there are external high-power electrical appliances. If the power of the connected electrical appliance is about the same as the battery capacity, the battery will run out in about 1 hour. 2. Perform a complete charge and discharge for an SoC calibration.
1. The charging temperature is too high. If you use high-power electrical appliances for a long time, stop using the unit until the temperature drops. 2. The charging temperature is too low. If the outside temperature is too low or the temperature of the battery cell is lower than 0°C, put DELTA Max somewhere warmer. 3. The charging voltage or current is too low. Charge the device according to the rated charging voltage and current. 4. Change the charging method or the cable when experiencing charging issues. Replace the cable or power source. 5. If none of the above methods work, provide a video showing the fault and contact support.eu@ecoflow.com
AC output overload: the AC icon will appear on the screen, and the ""Overload"" icon will flash: 1. Check whether the connected device's power meets the unit's power range. Connect a device with a wattage of 2400W-3000W to confirm that X-Boost is turned on in the app. If it's already turned on, connect to the app again. 2. In EPS mode, DELTA Max supports a maximum of 2200W. Confirm whether the electrical equipment is within this range. 3. The power of the electrical equipment is too large, causing it to fail to operate. DC output overload: the ""USB"" and ""Overload"" icons will flash together on the screen: 1. The output of the DC/car charger is overloaded. Check that the rated current of the device is under 8A. If the current is too high, it will cause overload, and the car charger may overheat. 2. The output of the DC-USB-Type C is overloaded. Confirm whether the electrical equipment is within the current limit of the outlet.
1. Confirm that the 12V car charger has a standard voltage and power output. 2. Use another car charging cable to see whether the problem is with the standard car charging cable. Alternatively, use a solar panel to charge DELTA Max. If the solar panel works, the problem is with the car charger to XT60 cable. If the solar panel does not charge either, contact support.eu@ecoflow.com
1. Long press the IoT button under DELTA Max’s screen for 3 seconds until the WiFi icon flashes and the DELTA Max’s WiFi is turned on. 2. With the mobile phone near DELTA Max, search for the WiFi signal starting with """"EcoFlow"""" or """"DELTA Max"""" and follow the prompts to connect. 3. If you cannot find DELTA Max's signal, you can restart DELTA Max or try with another mobile phone. 4. If none of the above methods work, please provide the serial number photo at the bottom of the device and contact the support.eu@ecoflow.com