Woodward AtlasPC, Hardware Manual

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AtlasPC Digital Control, Vol. I Manual 85586V1
120 Woodward
Number of LED Flashes Failure
Off No failure, system OK
Solid Module in initialization mode
1 Hardware watchdog, CPU clock failure, reset fail
2 Unexpected Exception Error
3 RAM test failure
5 EEPROM failure
7 Kernel Watchdog Timeout
10 System Error
11 Board Identification Error
12 TPU RAM failure
13 Dual Port RAM test failure
14 QSM or ADC Initialization failure
15 Self test status failure
20 Invalid A/D converter selected
21 QSPI timeout
24 ADC auto calibration time-out
Table C-4. PowerSense Failure Codes
LED and
Number of
Flashes Failure
H 1 RAM test fail (this test is done only at boot and application start)
H 2 exception error
H 3 dual port test fail (this test is done only at boot and application start)
H 4 watchdog timeout
H 7 kernel watchdog timeout
D 1 RAM test fail (this test is done only at boot and application start)
D 2 exception error
D 3 dual port test fail (this test is done only at boot and application start)
D 3 module watchdog timeout
D 7 kernel watchdog timeout
Table C-5. DLE Failure Codes