i.2 Using the Product Safely
16 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
i.2 Using the Product Safely
â—† Explanation of Signal Words
WARNING
Read and understand this manual before you install, operate, or do maintenance on the drive.
Install the drive as specified by this manual and local codes.
The symbols in this section identify safety messages in this manual. If you do not obey these safety messages, the
hazards can cause serious injury, death, or damage to the products and related equipment and systems.
These identifier words categorize and emphasize important safety precautions in these instructions.
DANGER
This signal word identifies a hazard that will cause serious injury or death if you do not prevent it.
WARNING
This signal word identifies a hazard that can cause death or serious injuries if you do not prevent it.
CAUTION
Identifies a hazardous situation, which, if not avoided, can cause minor or moderate injury.
NOTICE
This signal word identifies a property damage message that is not related to personal injury.
â—† General Safety
General Precautions
• Some figures in the instructions include options and bypasses without covers or safety shields to more clearly show the inside of the bypass. Replace covers and shields before
operation. Use options and bypasses only as specified by the instructions.
• The figures in this manual are examples only. All figures do not apply to all products included in this manual.
• Yaskawa can change the products, specifications, and content of the instructions without notice to make the product and/or the instructions better.
• If you damage or lose these instructions, contact a Yaskawa representative or the nearest Yaskawa sales office on the rear cover of the manual, and tell them the document number to
order new copies.
DANGER
Do not ignore the safety messages in this manual.
If you ignore the safety messages in this manual, it will cause serious injury or death. The manufacturer is not
responsible for injuries or damage to equipment.
Electrical Shock Hazard
Do not examine, connect, or disconnect wiring on an energized bypass. Before servicing,
disconnect all power to the equipment and wait for the time specified on the warning label at a
minimum. The internal capacitor stays charged after the bypass is de-energized. The charge
indicator LED extinguishes when the DC bus voltage decreases below 50 Vdc. When all indicators
are OFF, remove the covers before measuring for dangerous voltages to make sure that the bypass
is safe.
If you do work on the bypass when it is energized, it will cause serious injury or death from electrical shock.
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