Sungrow Energy Storage System ST2351UX-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: 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.

Inspect the appearance of the box:

Case 1: Dirt on surface caused by water spots and dusts can be cleaned.

Case 2: Surface dirt and damaged finish, which cannot be cleaned.

Case 3: Primer is damaged, and the base material is exposed.

1) Maintenance steps for Case I:

- Alcohol or other non-corrosive detergent

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.

Completely power off the devices inside the BESS before checking.

For any non-conformances found during inspection, correct them immediately.

Check whether the cable layout is normal and whether there is a short circuit.

Check whether all cable entry are well sealed.

Check whether there is water seepage inside the BESS.

Check whether the power cables are loose, and fasten them again by the torque specified previously.

Check whether the power cables and control cables are damaged, especially if the surface contacting the metal surface is cut.

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 whether there is any damage or deformation of the container and internal devices.

Check if there is abnormal noise during operation of internal devices.

Check whether the temperature in the container is excessively high.

Check whether the humidity and the amount of dust inside the container are within the normal range.

Check whether the air inlet and outlet of the BESS are blocked.

Upload a photo of the cleaned equipment

Sign off on the Energy Storage System Check