User manual

44 Operation
UM6C28C P0728920 Standard 11.00 April 2001 Emerson Energy Systems
Visual indicators
A red LED readout displays the values of the analog channels selected
with the MODE push-button (S1), and 12 or 13 LED indicators to display
the conditions described in Table 27.
Table 27 – Visual indicators
Designation Description Color
Normal operation green
RPM1000C failure red
UNIT
RPM1000C low memory back-up battery
voltage
flashing
FA Fuse and circuit breaker Alarm red
RFA MIN Minor rectifier failure alarm yellow
RFA MAJ Major rectifier failure alarm red
AC Rectifier AC supply failure alarm red
Normal operating voltage green
High or low float voltage yellow
FLOAT
High or low voltage red
EQL Equalize function activated yellow
BOD Battery on discharge alarm red
LVD Low voltage disconnect alarm red
FAN Rectifier fan failure alarm yellow
AUX Auxiliary alarm (user programmable) red
HVSD High Voltage Shutdown red
LVD BYP
(NT6C14
GC/GN only) *
To indicate that the LVD contactor is placed in
the bypass mode
red
Note : * Although it is designated on the front panel, the LVD
BYP LED indicator location is filled with a blank plate
on the NT6C14GG/GQ control and distribution panel
not equipped with the LVD feature.
Switch
The LVD BYP/NORM switch, which is used to place the LVD contactor
in the bypass mode, is present on the NT6C14GC/GN control and
distribution panel only. On the NT6C14 GC/GN, although it is designated,
the switch location is filled with a blank panel.