Schneider Electric PowerLogic PM5300 Series Specifikace stáhnout pdf (Strana 33)

63230-507-201A1 Power Meter 750

03/2007 Section 7—Maintenance and Troubleshooting

SECTION 7— MAINTENANCE AND TROUBLESHOOTING

ALARMS

CHAPTER 7 — MAINTENANCE AND TROUBLESHOOTING

INTRODUCTION The power meter does not contain any user-serviceable parts. If the power

meter requires service, contact your local sales representative. Do not open

the power meter. Opening the power meter voids the warranty.

Getting Technical Support Please refer to the Technical Support Contacts provided in the power meter

shipping carton for a list of support phone numbers by country or go to

www.powerlogic.com, select your country > tech support for phone numbers

by country.

Troubleshooting The information in Table 7– 1 describes potential problems and their

possible causes. It also describes checks you can perform or possible

solutions for each. After referring to this table, if you cannot resolve the

problem, contact the your local Square D/Schneider Electric sales

representative for assistance.

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

• Apply appropriate personal protective equipment (PPE) and follow safe

electrical work practices. See NFPA 70E.

• This equipment must be installed and serviced only by qualified

electrical personnel.

• Turn off all power supplying this equipment before working on or inside.

• Always use a properly rated voltage sensing device to confirm that all

power is off.

• Carefully inspect the work area for tools and objects that may have been

left inside the equipment.

• Use caution while removing or installing panels so that they do not

extend into the energized bus; avoid handling the panels, which could

cause personal injury.

Failure to follow this instruction will result in death or serious injury

Table 7– 1: Troubleshooting

Potential Problem Possible Cause Possible Solution

The maintenance icon

is illuminated on the

power meter display.

When the maintenance icon is

illuminated, it indicates the

metered signals are clipping or

the frequency is out of range.

• Verify voltage and current inputs

range. The Voltage input metering

range is 10-480 L-L VAC (direct) or

10-277 L-N VAC (direct) or up to

1.6 MV (with external VT). The

Current input metering range is: 5

mA - 6 A. In addition, verify that the

current and voltage inputs are free

of noise.

• Call Technical Support or contact

your local sales representative for

assistance.

The display is blank

after applying control

power to the power

meter.

The power meter may not be

receiving the necessary

power.

• Verify that the power meter line (L)

and neutral (N) terminals are

receiving the necessary power.

• Verify that the heartbeat LED is

blinking.

• Check the fuse.

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Schneider Electric PowerLogic PM5300 Series Specifikace Strana 33

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