Mitsubishi Electronics FR-V500 Replacement of parts, Interval, Area Inspection Description

Precautions for maintenance and inspection

			Interval
Area of	Inspection	Description		Periodic*
Inspection	Item		Daily	year1	years2
		(1) Check for LED lamp
	Display	blown.	"
		(2) Clean.		"
Display
	Meter	Check that reading is	"
		normal.
		(1) Check for unusual	"
	General	vibration and noise.
		(2) Check for unusual	"
Motor		odor.
		Check with megger
	Insulation	(across terminals and			"
	resistance	earth (ground)
		terminal).

	Method	Criterion	Instrument
(1)	Lamps indicate
	indicator lamps on	(1) Check that lamps
	panel.	are lit.
(2)	Clean with rag.
		Must satisfy
Check the readings of		specified and	Voltmeter,
the meters on the panel.		management	ammeter, etc.
		values.
(1)	Auditory, sensory,
	visual checks.
(2)	Check for unusual	(1), (2) No fault.
	odor due to
	overheat, damage,
	etc.
Disconnect cables from
U, V, W (including motor		5MΩ or more.	500V megger
cables).

Customer’s check

*Values in parentheses indicate those for 400V class. *Consult us for periodic inspection.

6.5.7Replacement of parts

The inverter consists of many electronic parts such as semiconductor devices.

The following parts may deteriorate with age because of their structures or physical characteristics, leading to reduced performance or fault of the inverter. For preventive maintenance, the parts must be replaced periodically.

Part Name	Standard Replacement Interval	Description
Cooling fan	2 to 3 years	Replace (as required)
Main circuit smoothing capacitor	10 years	Replace (as required)
On-board smoothing capacitor	10 years	Replace the board (as required).
Relays	—	Replace as required.

CAUTION

For parts replacement, consult the nearest Mitsubishi FA Center.

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