eloProg - Vers. 1.0
36
TROUBLESHOOTING
485EPB
MEANING
LED
REMEDY
RUN
IN FAIL
EXT FAIL
COM
IN1÷8
ENA
OSSD1/2
CLEAR1/2
STATUS1/2
GREEN
RED
RED
ORANGE
YELLOW
BLUE
RED/GREEN
YELLOW
YELLOW
Internal fault
OFF
2 or 3
flashes
OFF
OFF
OFF
OFF
Red
OFF
OFF
Replace the module
Configuration
error
OFF
5
flashes
OFF OFF
5 flashes
OFF
5
flashes
5
flashes
5
flashes
• Upload the project
again.
• If the problem persists
replace the module
OSSD output
error
OFF
4
flashes
OFF OFF OFF
OFF
4 flashes
(only the LED
corresponding
to the output in
FAIL mode)
OFF OFF
• Check the OSSD1/2
connections
• If the problem persists
replace the module
Error in
communication
with slave
OFF
5
flashes
OFF OFF OFF
OFF
OFF
OFF OFF
• Restart the system.
• If the problem persists
replace the module
ErrorSlave unit
OFF
ON
OFF OFF OFF
OFF
OFF
OFF OFF
• Restart the system
• Check which unit is in
FAIL mode
Error memory
stick
OFF
6
flashes
OFF
6
flashes
OFF OFF
OFF
OFF
OFF
Replace memory stick
Table 38 - Troubleshooting 485EPB
Figure 18