Schneider Electric K series Manual do Utilizador descarregar pdf (Página 69)

PLSED309039EN PM1000 Series Power Meters

08/2010 Chapter 7 – Maintenance And Troubleshooting

69

Potential Problem

Possible Cause

Possible Solution

The display went blank

suddenly.

Over voltage/temperature

Interrupt the power supply

or reduce the voltage or

temperature within the

limit.

Fuse connection

Check whether a fuse with

rating of 0.25 A is

connected on each

voltage input. If not

connect the 0.25 A rated

fuse to the voltage input.

The power meter stopped

communication abruptly.

Communications lines are

improperly connected.

Verify the power meter

communications

connections. See ―Chapter

6 – Data communication‖

on page 47 for more

information.

Over voltage/temperature

Interrupt the power supply

or reduce the voltage or

temperature within the

allowable limits.

Wrong Load bar indication

Incorrect F.S% selection

Select the full scale load

percentage setting as per

your circuit.

The Power meter is over

heated

Lack of sufficient air for

cooling

Provide sufficient space all

around the power meter.

Separate the power meter

from other equipment for

cooling air.

Schneider Electric K series Manual do Utilizador Página 69

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Schneider Electric K series Manual do Utilizador Página 69

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