Mitsubishi Electric FR-D720-0.2K-G Instruction Manual page 4

(5) Emergency stop
 A safety backup such as an emergency brake must be
provided for devices or equipment in a system to prevent
hazardous conditions in case of failure of the drive unit or
an external device controlling the drive unit.
 When the breaker on the drive unit input side trips, the
wiring must be checked for fault (short circuit), and internal
parts of the drive unit for a damage, etc. The cause of the trip
must be identified and removed before turning ON the power
of the breaker.
 When any protective function is activated, appropriate
corrective action must be taken, and the drive unit must be
reset before resuming operation.
(6) Maintenance, inspection and parts replacement
 Do not carry out a megger (insulation resistance) test on the
control circuit of the drive unit. It will cause a failure.
(7) Disposal
 The drive unit must be treated as industrial waste.
General instruction
Many of the diagrams and drawings in this Instruction Manual
show the drive unit without a cover or partially open for
explanation. Never operate the drive unit in this manner. The
cover must be always reinstalled and the instruction in this
Instruction Manual must be followed when operating the drive
unit.
For more details on a PM motor, refer to the Instruction Manual of
the PM motor.
CAUTION
CAUTION
CAUTION
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