ACURT2 and ACURT4
Information Packet
8
Power-Up Self-Test
The Controller should always be tested after installing any
module. The power-up self-test indicators are LEDs on the
printed circuit board assembly. At power up, all of the LEDs will
light, then all turn off. The LEDs will light as follows (at power-
up): all ON at hardware reset, then all OFF. The following
sequence indicates the progress of the self test:
On-Line Tests
The normal operation is also indicated with the four LEDs. The
table describes the sequence. The LEDs on the printed circuit
board will light as follows:
Note:
See page 11 for LED location
LED
Description
LED 1
ON indicating power-up
LED 2
ON when successful RAM test finished
LED 3
ON when successful PROM test finished
LED 4
ON when initialization completed (1 second)
Note:
See page 11 for LED locations
LED
Description
LED 1 Flashes at a 1 Hz rate.
LED 2
ON while transmitting to the Remote Modules (Firmware
earlier than 8.14.00)
ON while communicating with Topaz (Firmware 8.14.00 or
later)
LED 3
Two seconds OFF, then blinks once if ACU Reader 0 is on-
line, followed by blinking twice if ACU Reader 1 is on-line,
etc.