1-8
The system trouble indicators consist of a bank of five yellow LEDs (see Figure 1-2 for location
of LEDs) that are used to signify various trouble conditions within the Addressable Controller
system. Only one trouble at a time is indicated, with the highest trouble state indicated first. When
that trouble clears, the next highest trouble state is indicated.
Notes:
• Any trouble indication that applies to a specific SLC channel has the
corresponding LED (CH1 through CH3) for that channel lit.
• The on-board trouble scroll pushbutton (PB-SW6) allows an operator to scroll
through multiple troubles.
Figure 1-3 lists system troubles. LEDs are identifiable by the letter above each one (E through A).
EDCBA
TROUBLE
DESCRIPTION
SYSTEM CODES
SLC CHANNEL CODES
AC FAIL
LOW/MISSING BATTERY
RUNNING ON DEPLETED BATTERY
MEMORY CHECKSUM ERROR
RUI COMM FAIL
HARDWARE CONFIGURATION MISMATCH
CHANNEL CONTROLLER TROUBLE
NEGATIVE EARTH
POSITIVE EARTH
CHANNEL FAIL
SHORT CIRCUIT
DUPLICATE DEVICE
MISSING DEVICE
EXTRA DEVICE
CLASS A TROUBLE
EARTH TROUBLE
ISOLATOR TROUBLE
HARDWARE CONFIGURATION ERROR
MEMORY TEST ERROR
CHARGER TROUBLE
BAD DOWNLOAD
ADDRESS OUT OF RANGE
Figure 1-3. System Trouble Indicators
Continued on next page
Hardware Components, Continued
System Trouble
Indicators
(LEDs E-A)
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