Installation and Operating Manual
Stratotimer ST3
31-20-01
Page 102
FAULT ISOLATION
Revision: 1.00
12/06/2020
Failure
Code
Description
Action
FC01
Program CRC error (SBIT, IBIT)
Return the unit to
TAE
FC02
Settings CRC error (SBIT, IBIT, CBIT)
FC03
External watchdog error (IBIT)
FC10
Control PCB temperature sensor errors (SBIT, IBIT, CBIT) - I
2
C interface
status
FC11
Control PCB temperature sensor errors (SBIT, IBIT, CBIT) - temperature
status
No action
necessary
FC12
Battery voltage errors (SBIT, IBIT, CBIT)
Change the
battery
FC13
IO extender errors (SBIT, IBIT, CBIT)
Return the unit to
TAE
FC14
ARINC 429 driver errors (SBIT, IBIT)
FC15
ARINC 429 driver errors (SBIT, CBIT, IBIT)
FC16
SDRAM errors (SBIT, IBIT)
FC17
FRAM errors (SBIT, IBIT)
FC18
FRAM errors (SBIT, CBIT, IBIT)
FC19
ID chip errors (SBIT, CBIT, IBIT)
FC20
Power voltages errors (SBIT, CBIT, IBIT) - change of the primary power
supply state
Check primary
power supply
FC21
Power voltages errors (SBIT, CBIT, IBIT) - change of the secondary
power supply state
Check secondary
power supply
FC22
Audio chip errors (SBIT, PBIT, CBIT) - I
2
C interface status
Return the unit to
TAE
FC23
Audio chip errors (SBIT, PBIT, CBIT) - I
2
S interface status
FC24
Video converter errors (SBIT, PBIT, IBIT)
FC25
Backlight PCB temperature sensor errors (SBIT, IBIT, CBIT) - I
2
C
interface status
FC26
Backlight PCB temperature sensor errors (SBIT, IBIT, CBIT) -
temperature status
No action
necessary
FC27
Ambient light brightness sensor 1
Return the unit to
TAE
FC28
Ambient light brightness sensor 2
FC29
Display backlight DAC errors (SBIT, IBIT, CBIT)
FC30
Buttons backlight errors (SBIT, IBIT, CBIT)
Table 101 – Failure Codes
Summary of Contents for STRATOTIMER ST3
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