The EcoFlow DELTA Pro is a powerful and versatile portable power station that can run and charge almost any device you need. It has a large battery capacity of 3600Wh, a high AC output of 3600W continuous and 7200W surge, and multiple charging options, including solar, car, and grid. It also has a smart display screen and an app that let you monitor and control the device remotely.
However, like any electronic device, the EcoFlow DELTA Pro may encounter some errors or issues during operation. These errors are indicated by codes that appear on the display screen or the app. Some of these errors are minor and can be resolved by following some simple steps. Others may require more attention or professional assistance.
In this post, we will explain what each error code means and how to fix it. We will also provide some tips on how to prevent or avoid these errors in the future.
E01: Over Temperature Protection
This error code means that the EcoFlow DELTA Pro has detected a high temperature in the unit or the battery. This could be caused by:
- Overloading the device with too many appliances or devices that exceed its power capacity.
- Placing the device in direct sunlight or near a heat source.
- Blocking the ventilation holes or fans of the device.
To fix this error, you should:
- Reduce the load on the device by unplugging some appliances or devices.
- Move the device to a cooler and shaded place away from heat sources.
- Check and clear any obstructions on the ventilation holes or fans of the device.
- Wait for the device to cool down before resuming operation.
E02: Over Load Protection
This error code means that the EcoFlow DELTA Pro has detected an overload on the AC output. This could be caused by:
- Connecting appliances or devices that exceed the rated power of the device (3600W continuous, 7200W surge).
- Connecting appliances or devices that have a high starting power or inrush current, such as motors, compressors, pumps, etc.
- Connecting multiple appliances or devices at the same time that add up to more than the rated power of the device.
To fix this error, you should:
- Disconnect the overloaded appliance or device and restart the device.
- Connect only appliances or devices that are within the power limit of the device.
- Connect only one appliance or device at a time that has a high starting power or inrush current.
E03: Short Circuit Protection
This error code means that the EcoFlow DELTA Pro has detected a short circuit on the AC output. This could be caused by:
- A faulty appliance or device that has a damaged cord, plug, or internal wiring.
- A loose or improper connection of the appliance or device to the AC outlet of the device.
- A wet or humid environment that causes moisture to enter the appliance or device or the AC outlet of the device.
To fix this error, you should:
- Disconnect and inspect the appliance or device for any signs of damage, wear, or corrosion.
- Replace or repair the appliance or device if necessary.
- Ensure that the connection of the appliance or device to the AC outlet of the device is secure and correct.
- Avoid using the device in wet or humid conditions.
E04: Battery Voltage Protection
This error code means that the EcoFlow DELTA Pro has detected a low battery voltage. This could be caused by:
- Discharging the battery for too long without recharging it.
- Using appliances or devices that draw more power than what the battery can provide.
- Charging the battery with an incompatible charger or cable.
To fix this error, you should:
- Recharge the battery as soon as possible using an approved charger and cable.
- Use only appliances or devices that are within the battery capacity of the device (3600Wh).
- Check and replace any damaged or faulty charger or cable.
Other Error Codes
There are some other error codes that may appear on your EcoFlow DELTA Pro depending on your model and firmware version. These include:
301: Cell Under Voltage – This means that one or more cells in your battery are under voltage and need timely recharge. To fix this, recharge your battery as soon as possible using an approved charger and cable.
302: BMS Lost Connection – This means that there is a communication problem between your battery management system (BMS) and your inverter. To fix this, reboot your device by long pressing the power button for 10 seconds.
303: INV Lost Connection – This means that there is a communication problem between your inverter and your BMS. To fix this, reboot your device by long pressing the power button for 10 seconds.
102: Cell Under Voltage Alert – This means that one or more cells in your battery are under voltage and should not be discharged further. To fix this, stop discharging your battery and recharge it as soon as possible using an approved charger and cable.
077: Cell Voltage Differences are too great – This means that there is a significant imbalance among your battery cells. To fix this, long press the power button for 10 seconds and wait for half an hour.
For more information on these error codes and their fixes, please refer to this article from EcoFlow.
Conclusion
We hope this post has helped you understand and fix the common error codes on your EcoFlow DELTA Pro portable power station. If you have any questions or issues, please contact EcoFlow customer service for further assistance. Remember to always use your device safely and responsibly, and enjoy the portable power life!
