Mitsubishi Electric FR-E720-0.1 K Instruction Manual page 4

(5) Emergency stop
CAUTION
Provide a safety backup such as an emergency brake
which will prevent the machine and equipment from
hazardous conditions if the inverter fails.
When the breaker on the inverter input side trips, check
for the wiring fault (short circuit), damage to internal parts
of the inverter, etc. Identify the cause of the trip, then
remove the cause and power ON the breaker.
When any protective function is activated, take the
appropriate corrective action, then reset the inverter, and
resume operation.
(6) Maintenance, inspection and parts replacement
CAUTION
Do not carry out a megger (insulation resistance) test on
the control circuit of the inverter. It will cause a failure.
(7) Disposal
CAUTION
Treat as industrial waste.
General instruction
Many of the diagrams and drawings in this Instruction
Manual show the inverter without a cover, or partially open.
Never operate the inverter in this manner. Always replace
the cover and follow this Instruction Manual when operating
the inverter.
A-3