EL 400 DRO
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P a g e
11. Troubleshooting
11.1. Self Diagnostics Mode
EL 400 DRO features self diagnostics mode which checks for
following areas.
Memory corruption
Display function
Keyboard functioning
Encoder diagnostics
Self diagnostics mode is enabled by pressing
during startup
message. First it will enter in memory diagnostic mode.
If no fault is found in memory the display will show
Press any key to stop display diagnostic and proceed with
keyboard diagnostic. Here DRO will display the pressed key.
Press
key once to exit any diagnostic mode.
To exit Self diagnostics mode press
key twice.