Sungrow Energy Storage System ST2752UX-US

Warning: Do not open the door to maintain the BESS in rainy, humid or windy days. SUNGROW shall not be held liable for any damage caused by violation of the notice.

Warning: To avoid electric shock, do not perform any other maintenance operations beyond those described in this manual. If necessary, contact Sungrow Customer Service for maintenance.

Warning: Risk of inverter damage or personal injury due to incorrect service! Before any maintenance operation, the following steps must be followed:

Wait at least 5 minutes for inner capacitors to discharge completely before performing internal maintenance or troubleshooting.

Test the product with a tester to make sure that there is no voltage or current.

Caution: A temporary warning sign or barrier must be posted to keep non-related persons away while performing electrical connection and service work.

Warning: When disassembling and maintaining the DC/DC, first remove the cable fixing parts under the DC/DC to ensure that the cables are squeezed during disassembly and maintenance.

Notice: Reboot the converter only after all faults that may affect the safety performance of the converter are cleared. The converter does not contain any part that require maintenance. Do not change the internal components of the converter unless you are authorized to do so.

Please contact Sungrow Customer Service for maintenance service. Otherwise SUNGROW shall not provide any warranty or be held liable for any losses due to such negligence.; Touching the PCB or other static sensitive components may cause damage to the device.

Warning: Do not open the door to maintain the BESS in rainy, humid or windy days. SUNGROW shall not be held liable for any damage caused by violation of the notice.

Warning: To avoid electric shock, do not perform any other maintenance operations beyond those described in this manual. If necessary, contact Sungrow Customer Service for maintenance.

Check the running status of fans.

Check whether fans are blocked.

Check if there is abnormal noise during operation of the fans.

Warning: Do not open the door to maintain the BESS in rainy, humid or windy days. SUNGROW shall not be held liable for any damage caused by violation of the notice.

Warning: To avoid electric shock, do not perform any other maintenance operations beyond those described in this manual. If necessary, contact Sungrow Customer Service for maintenance.

Check the cleanness of the circuit board and other elements and components.

Check the temperature of the radiator.

Check the amount of dust accumulated.

Clean heat-dissipation modules with a vacuum cleaner if necessary.

Replace the air filter screen when necessary.

Note! It is necessary to check ventilation of the air inlet. Otherwise, fault may occur due to overheating if the module cannot be cooled effectively.

Sign off on the internal components inspection

Warning: The actual maintenance period shall be adjusted reasonably in consideration of the specific installation environment of the product.

Factors like the power plant scale, the location, and the site environment can affect the maintenance period of the product. It is necessary to shorten the maintenance period and increase the maintenance frequency in the event of heavy sandstorm or dust in the operation environment.

Warning marks: Check whether the warning labels and marks are clearly visible and free of stains and damage.

Wiring and cables: Check the switch gear and the battery module, and whether the battery modules are connected correctly.

Corrosion: Check whether there is oxidation or rust inside the RACK.

Warning: Do not open the door to maintain the BESS in rainy, humid or windy days. SUNGROW shall not be held liable for any damage caused by violation of the notice.

Warning: To avoid electric shock, do not perform any other maintenance operations beyond those described in this manual. If necessary, contact Sungrow Customer Service for maintenance.

Check the following items, and correct immediately those failing to meet relevant requirements:

- Check whether there are flammable objects on the top of the container.

- Check whether the welding points between the container and the foundation steel plate are firm and whether there is corrosion.

- Check whether there is any damage, flaking paint or sign of oxidization on the enclosure.

- Check whether the lock of the cabinet door can be unlocked flexibly.

- Check whether the sealing strip is fixed properly.

- Inside the container: Check whether there are foreign objects, dust, dirt, and condensed water inside the integrated energy storage system.;