High voltage may be present. The power source must be disconnected before working on the equipment. Failure to disconnect the power source could result in injury or death. Verify that the equipment is not energized before performing any maintenance. This work must be performed by trained personnel with correct tools and procedures. Bodily contact with electrical potential will cause personal injury or death. |
After power is removed, wait for 5 minutes before the UPS is opened. This action allows the capacitors to discharge. Ensure that the capacitors are at a zero energy level before performing work.
Personal Protective Equipment (PPE) suitable to the work being performed must be worn when performing maintenance on the UPS.
High voltage may be present. Work on this equipment must be performed by authorized trained personnel. Failure to use appropriate Personal Protective Equipment (PPE) could result in serious injury or death. Personnel must be wearing PPE that meets regulatory requirements to protect the body for the work that is being performed. |
Procedure must be performed by a factory trained technician.
ReferenceRefer to Operations and Maintenance Manual, "General Hazard Information" for additional precautions when working with the UPS cabinets.