Led On Pcba - Siemens CFX 65 Service Repair Documentation

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12. LED on PCBA

Fault symptoms
Customer
LED does not work or not bright
Exchange
LED
Service Repair Documentation
Level 2.5 - CFX65
LED on PCBA
Watch for oxidation and
damaged pads of the LED
Check the status of the
not okay
LED pads visually
Use the diode test function
of a multimeter to check
not okay
the diode. Typically there is
a voltage drop of ~ 1,7V
26
GRT
n/a
not okay
okay
okay
okay
SCRAP
- check for dry joints
Level 2,5e repair
V1.0