Maintenance And Inspection - Toshiba TOSVERT VF-S11 Instruction Manual

• Observe all permissible operating ranges of motors and mechanical equipment. (Refer to
the motor's instruction manual.)
Not observing these ranges may result in injury.
Prohibited
When sequence for restart after a momentary failure is selected (inverter)
• Stand clear of motors and mechanical equipment.
If the motor stops due to a momentary power failure, the equipment will start suddenly
after power recovers. This could result in unexpected injury.
• Attach warnings about sudden restart after a momentary power failure on inverters,
Mandatory
motors and equipment for prevention of accidents in advance.
When retry function is selected (inverter)
• Stand clear of motors and equipment.
If the motor and equipment stop when the alarm is given, selection of the retry function will
restart them suddenly after the specified time has elapsed. This could result in
unexpected injury.
Mandatory
• Attach warnings about sudden restart in retry function on inverters, motors and equipment
for prevention of accidents in advance.

Maintenance and inspection

• Do not replace parts.
This could be a cause of electric shock, fire and bodily injury. To replace parts, call the
local sales agency.
Prohibited
• The equipment must be inspected every day.
If the equipment is not inspected and maintained, errors and malfunctions may not be
discovered and that could result in accidents.
• Before inspection, perform the following steps.
(1) Turn off all input power to the inverter.
(2) Wait at least ten minutes and check to make sure that the charge lamp is no longer lit.
Mandatory
(3) Use a tester that can measure DC voltages (800VDC or more), and check to make
sure that the voltage to the DC main circuits (across PA-PC) is 45V or less.
If inspection is performed without performing these steps first, it could lead to electric
shock.
Warning
Warning
Warning
Danger
5
E6581158
I
See item
3.
See item
6.12.1
6.12.1
See item
6.12.3
6.12.3
See item
14.2
14.
14.