Schneider Electric Altivar 58 VW3-A58101 Manual de usuario descargar pdf (Pagina 87)

VVDED397047US R8/01 ALTIVAR



58 Keypad Display

08/01 Chapter 3 — Diagnostics and Troubleshooting

PRECAUTIONS

Table 25 on page 91 lists faults, associated codes, the probable causes

of the faults, and the associated corrective action. When taking corrective

action, follow the procedures outlined on pages 87-90.

The following procedures are intended for use by qualified electrical

maintenance personnel and should not be viewed as sufficient instruction

for those who are not otherwise qualified to operate, service, or maintain

the equipment discussed.

PROCEDURE 1: BUS VOLTAGE MEASUREMENT

The DC bus voltage level is determined by monitoring the (+) and (–)

measurement points. Their location varies by drive controller model

number as listed in Table 24 and shown in Figure 25. The drive controller

model number is listed on its nameplate.

DANGER

HAZARDOUS VOLTAGE

Read and understand these procedures before servicing

ALTIVAR 58 drive controllers. Installation, adjustment, and

maintenance of these drive controllers must be performed by

qualified personnel.

Electrical shock will result in death or serious injury.

DANGER

HAZARDOUS VOLTAGE

• Read and understand the bus voltage measurement procedure

before performing the procedure. Measurement of bus capacitor

voltage must be performed by qualified personnel.

• DO NOT short across DC bus capacitors or touch unshielded

components or terminal strip screw connections with voltage

present.

• Many parts in this drive controller, including printed wiring boards,

operate at line voltage. DO NOT TOUCH. Use only electrically

insulated tools.

Electrical shock will result in death or serious injury.

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Schneider Electric Altivar 58 VW3-A58101 Manual de usuario Pagina 87