5 led-diagnosis – BECKHOFF CU8870-0000 User Manual
Page 12

Installation
CU8870-0000
10
3.5 LED-Diagnosis
LED Mapping
Status
Meaning
off
no power supply connected (see chapter power supply for details)
P10 Power
supply
lights green
Device is operational
off
no CF card inserted
P20 CF
LOCK
lights green
CF-card is inserted and electrical connected
off
no access on the media
P21 ACCESS
flashes
Read / write access on the media
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