ICS ELECTRONICS 4863 Manual page 124

TABLE 5-1 4863/23633 - SELF TEST ERROR CODES
Blinking
LED Error
All Flash
Memory
RDY Flash
TALK Flash
LSTN RAM
Possible Fault
Flash Memory corrupted and reset to
factory settings. Power unit off and back
on to clear the blinking LEDs. See Table
5-2 if the ERR LED comes on when power is
reapplied.
Loose 4863 Flash U9
Defective 4863 Flash U9 that cannot be
reprogrammed. Replace U9
Defective decoder PLD. Test and/or replace
PLD U8 in 4863 or in 2363.
4863 Flash failed write test. Replace
Flash, U9, and reprogram configuration.
See DEFAULT command.
4863 Flash loose in its socket or has a bent
pin. Check Flash, U9, for a bent pin then press
Flash, U8, into its socket.
Flash Memory dropped a bit. Replace with a
known good Flash. If the Flash Memory
is replaced, the configuration will have to be
reprogrammed. Refer to the DEFAULT
command.
Defective decoder PLD. Test and/or replace
PLD, U8 in 4863.
Defective decoder PLD. Test and/or replace
PLD, U8 in 4863.
Defective RAM. Replace RAM, U10 in
4863,
5-3
5