APC PMH3XS-B ユーザーズマニュアル
Installation and Operation Manual
19
Maintenance and
Troubleshooting
Troubleshooting
Preventive Maintenance
Inspect the SPD periodically to maintain reliable system performance and
continued transient voltage surge suppression. Periodically check the state of
the diagnostic display panel LED status indicators. Routinely use the built-in
diagnostics to inspect for inoperative modules
continued transient voltage surge suppression. Periodically check the state of
the diagnostic display panel LED status indicators. Routinely use the built-in
diagnostics to inspect for inoperative modules
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
• Apply appropriate personal protective equipment (PPE) and follow safe
electrical work practices. See NFPA 70E.
• This equipment must only be installed and serviced by qualified
electrical personnel.
• Turn off
all power supplying this equipment before working on or inside
equipment.
• Always use a properly rated voltage sensing device to confirm power is off.
• Replace all devices, doors and covers before turning on power to this
equipment.
• This equipment must be effectively grounded per all applicable codes.
Use an equipment-grounding conductor to connect this equipment to
the power system ground.
the power system ground.
Failure to follow these instructions will result in death or serious injury.
Maintenance