43-TV-25-30 Iss.6 GLO Aug 07 UK 267
LED Flash Codes
LEDs are fitted on the Analogue Input card, Analogue Output card, Pulse Input card, 4 and
8 Alarm Relay cards and the 8 and 16 Digital IO cards. The LEDs can be seen through six
holes on the left side of the QX/QXe recorders, and 18 holes on the SX recorder (looking
from the front).
Red LED flash codes relate to the first fault stored in the error buffer. With no faults, the red
LED remains off.
When the red LED is flashing, the green LED stays lit. The green LED flashes for normal
operation. The board outputs the flash code for about 30 seconds after it was registered.
Table 12.3 :
Red LED
Flash codes:
Sequence: Type of Fault:
1,1 flash once, pause, flash once, pause etc. Hardware
2,2 flash twice, pause, flash twice, pause etc. Communications
3,3 flash three times, pause, flash three times, pause etc. Memory
4,4 flash four times, pause, flash four times, pause etc. Other
1,2 flash once, pause, flash twice more quickly, pause,
flash once etc. (added as CJC could be unplugged…)
CJC fault
1,3 If another error is also present with CJC error, flash
once, pause, flash 3 times
CJC fault +
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