User's Manual

SYSTEM DESCRIPTION, INSTALLATION, AND MAINTENANCE MANUAL
eNfusion® HSD-440 Mark 2 Terminal
23-15-30 1-18
3 JUN 10
"Test and Fault Isolation" on page 4-35 provides a detailed description of the two
levels of user access and the menus, re
port selections, functions, and system
diagnostic procedures of the HSD-440 Mark 2 Terminal MPU.
I. Fault Indicator LED
Table 1-7 provides a description of the fault indicator LED functions.
Table 1-7 HSD-440 Mark 2 Terminal LED Output Designations
LED
Signa
l
Label Color Indication Description
LED1 Power On Green Normal operation: on.
HPA output is greater than 30
dBm: flashes at 1 Hz.
Power on: HSD-440 Mark 2 Terminal supply voltage is
active.
Self-test: flashes at 1 Hz alternately with the Fault
LED.
LED2 Fault Red Fault: Fault condition as described in "Fault Indicator LED"
on page 1-18.
Self-test: flashes once per second alternately with the Power
On
LED.
A failure in the HSD-440 Mark 2 Terminal may be due to a number of fault conditions.
Whe
n fault condition is detected, the HSD-440 Mark 2 Terminal activates a red, Fault
LED. Some of the potential fault conditions are:
•CP RAM
• CP Application code CRC
• CC power up
•CP D-UART
• CP ARINC Chipset
• PSU Power rail
• Previous Power Up CP RAM
• PSU Over temperature
• OCXO Warmup
• PA Over Current
• PA Voltage Driver
• PA Over temperature shutdown
• PA 12VDC STATUS DISCRETE
• SDU Configuration Module
• CP Boot Code CRC
• DIO Boot