Mitsubishi Electric FR-F740 EC Instruction Manual page 611

Maintenance and inspection
Inspection
Description
Item
1) Check that display is normal.
Indication
2) Check for stain.
Meter Check that reading is normal.
Operation Check for vibration and abnormal increase in
check operation noise.
Tab. 8-1: Daily and periodic inspection (2)
It is recommended to install a device to monitor voltage for checking the power supply voltage
to the inverter.
One to two years of periodic inspection cycle is recommended. However, it differs according
to the installation environment. Consult your Mitsubishi dealer for periodic inspection.
FR-F700 EC
Interval
Method
✔
Contact the manufacturer
✔
Clean
Stop the device and contact the
✔
manufacturer.
Stop the device and contact the
✔
manufacturer.
Inspection
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