Eaton Power Xpert PXM 4000, Руководство пользователя и инструкция по установке

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Page 174
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11 Troubleshooting & Maintenance
Symptom Probable Cause Possible Solution
Health LED is blinking green
quickly (faster than once per
second).
Setup file is missing following
a firmware upgrade.
Review & enter Quick Setup,
Triggers, Communication,
Clock Settings & reboot the
meter. Several reboots may be
required.
All operator panel indicator
LEDs are off.
Line voltage level is deficient.
Separate source control power
is deficient.
Locate cause of deficiency in
AC line monitored.
Locate cause of deficiency in
the AC control power line.
AC line connections or op-
tional external voltage trans-
formers are not properly wired
or installed.
Verify the the AC line and/
or potential transformers are
wired as shown on the appro-
priate wiring drawing.
Verify line voltage.
Blown or loose fuses. Check fuses(s) on effected
phase(s). Reset fuse(s) and
replace if necessary. If the
problem persists, replace the
unit.
Meter set for Factory Test
Mode.
Depending on the firmware
version, the meter may be set
for factory test mode. Refer
to the “Meter Red Status LED
repeats 3 blinks” section at the
the beginning of this matrix.
Power Xpert Meter has mal-
functioned.
Replace the unit
Meter is not in list of de-
vices.
Display Unit just powered-up. On display unit power-up, it
can take up to two (2) minutes
for the display to recognize all
meters on the network.
Duplicate Base Address Make sure that the meter in
question has a unique base
address. The base address is
set on the rotary switch on the
lower-left of the housing.
Voltage and current readings
are incorrect and unstable.
The case is not grounded. Attach ground wire to meter
Earth Ground terminal.
VR unreferenced. Attach to metering ground or
case ground.
Min/Max/Average Trend
data does not appear on the
Trend and Min/Max charts.
Timestamped data is inconsis-
tent with the real-time clock.
Verify that the battery switch
is ON (SW3 on the PXPS-1/
PXPS). Enter the correct time
and Reset the Trend data
(right click menu). Reboot the
meter.