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SC200 LCD display is
blank and green Power
On LED is off.
RXP/power cable is dis-
connected from the
SC200.
Connect cable from connector YS11 to the DC
power system voltage feed module. Wait for start-
up to complete.
The AC supply is off
and the batteries are
not connected because
the Low Voltage Dis-
connect (LVD) has dis-
connected.
None. The power system including the SC200 will
return to normal operation when the AC supply is
within its specified voltage range.
Faulty Voltage Feed
Module (VFM) or faulty
SC200.
Replace faulty unit.
SC200 LCD display is
blank and green Power
On LED is on.
SC200 is in start-up
mode.
Wait for start-up to complete.
Faulty SC200
Replace faulty SC200.
SC200 Red LED or Yel-
low LED is on.
An alarm is active.
Check the type of alarm on the LCD display or
with
DCTools/Web
or
PowerManager II
. See
“4.1.3 Grounding in the St. Louis Market Area” on
page 75.
Unable to change
settings from
SC200 keypad.
A previous setting
change is still being
updated.
Wait a short time then try again.
Keypad access is set
to
Protected
or
PIN Protected
.
To temporarily enable keypad access when
access is set to Protected:
Press
Up
and
Down
keys together for approxi-
mately 10 seconds.
NOTE: Keypad access is now temporarily
enabled. Keypad access control reverts back to
Protected mode after return to the Summary
Screen (or after the display time-out period).
To temporarily enable keypad access when
access is set to PIN Protected:
1. Press
Up
and
Down
keys together for approxi-
mately 10 seconds.
2. Use the navigation keys to enter the correct 4-
digit number.
NOTE: Keypad access is now temporarily
enabled. Keypad access control reverts back to
PIN Protected mode after return to the Summary
Screen (or after the display time-out period).
Table 8 - Troubleshooting issues and actions: SC200
Problem
Possible cause
Required action