WEG MW500 Bedienungsanleitung PDF herunterladen (Seite 39)

MW500 | 33

Troubleshooting and Maintenance

- English -

6.3 DATA TO CONTACT THE TECHNICAL ASSISTANCE

For information or service request, it is important to have at hand the following data:

 Drive model.

 Serial number and manufacturing date of the product found in the identification label

(refer to section 2.4 - Identification Labels).

 Software version installed (see P0023 and P0024).

 Information about the application and programming executed.

6.4 PREVENTIVE MAINTENANCE

DANGER!

Always disconnect the general power supply before changing any electric

component associated to the drive.

High voltages can be present even after the disconnection of the power

supply. Wait for at least ten minutes for the full discharge of the power

capacitors. Always connect the frame of the equipment to the protection

grounding (PE) at the proper point for that.

ATTENTION!

The electronic boards have components sensitive to electrostatic

discharges.

Do not touch components or connectors directly. If necessary, first touch

the grounded metallic frame or use a proper grounding strap.

Do not execute any applied potential test on the drive. If necessary,

contact WEG.

When installed in proper environment and operating conditions, the drives require little

service. Table 6.2 lists the main procedures and intervals for routine maintenance. Table

6.3 suggests inspections on the product every 6 months after start-up.

Table 6.2: Preventive maintenance

Maintenance Interval Instructions

Internal fan replacement After 40,000 hours of operation. Replacement.

Electrolytic

capacitors

If the drive

is stocked (not

in use):

“Reforming”

Every year from the

manufacturing date printed on

the drive identiﬁcation label

(refer to section 2.5 - Receiving

and Storage).

Apply power to the drive with

voltage between 380 and 480 Vac,

single-phase or three-phase, 50 or

60 Hz, for at least one hour. Then,

disconnect the power supply

and wait for at least 24 hours before

using the drive (reapply power).

Drive being

used: replace

Every 10 years.

Contact WEG technical support to

obtain replacement procedure.

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