Mitsubishi Electric FR-S500 Instruction Manual page 5

Transistorized inverter

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(5) Emergency stop

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 primary 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

Do not carry out a megger (insulation resistance) test on the control circuit of the

inverter.

(7) Disposing of the inverter

Treat as industrial waste.

(8) General instructions

Many of the diagrams and drawings in this instruction manual (basic) 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 (basic) when operating the inverter.

CAUTION

A-4

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