Specifications

63230-507-201A1 Power Meter 750
03/2007 Section 7—Maintenance and Troubleshooting
© 2007 Schneider Electric All Rights Reserved
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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.