Toshiba W7 - Manual (Page 16)

10 W7 ASD Installation and Operation Manual
Operational and Maintenance Precautions
• Turn off, lockout, and tagout the main power, the control power, and instrumentation connections
before inspecting or servicing the drive, or opening the door of the enclosure.
• Turn off, lockout, and tagout the main power, the control power, and instrumentation connections
before proceeding to disconnect or connect the power wiring to the equipment.
• The capacitors of the ASD maintain a residual charge for a period of time after turning the ASD off.
The required time for each ASD typeform is indicated with a cabinet label and a Charge LED.
Wait for at least the minimum time indicated on the enclosure-mounted label and ensure that the
Charge LED has gone out before opening the door of the ASD once the ASD power has been
turned off.
• Turn the power on only after attaching (or closing) the front cover and Do Not remove the front
cover of the ASD when the power is on.
• Do Not attempt to disassemble, modify, or repair the ASD. Call your Toshiba sales representative
for repair information.
• Do not place any objects inside of the ASD.
• If the ASD should emit smoke or an unusual odor or sound, turn the power off immediately.
• The heat sink and other components may become extremely hot to the touch. Allow the unit to cool
before coming in contact with these items.
• Remove power from the ASD during extended periods of non-use.
• The system should be inspected periodically for damaged or improperly functioning parts,
cleanliness, and to ensure that the connectors are tightened securely.
• Ensure that the Run functions (F, R, Preset Speed, etc.) of the ASD are off before performing a
Reset. The post-reset settings may allow the ASD to start unexpectedly.
• Retry or Reset settings may allow the motor to start unexpectedly. Warnings to this effect should
be clearly posted near the ASD and the motor.
• In the event of a power failure, the motor may restart after power is restored.
• Follow all warnings and precautions and do not exceed equipment ratings.
DO NOT install, operate, perform maintenance, or dispose of this equipment until you have read and
understood all of the product warnings and user directions. Failure to do so may result in equipment
damage, operator injury, or loss of life.
Service Life Information
Part Name Service Life Remarks
Large Capacity Electrolytic
Capacitor
5 Years
When not used for long periods,
charge semi-annually.
Cooling Fan 26,000 Hours
CN Connectors 100 Connects/Disconnects
On-board Relays 500,000 Actuations
WARNING