Fritz Gegauf Bernina artista 630 Service Manual page 68

Operating voltages functional test:
•
The voltages on the S-Print are displayed by means of LED under the service cover.
•
To access these, press the front of the cover at point (A) and swing the service cover (B) forward.
30 V 1
12 V 2
5 V 3
CPU 4
FPAG 5
Meaning and functions of LEDs
What to test:
Desired status:
Actual status:
Repair note:
What to test:
Desired status:
Actual status:
Repair note:
LED1 / 30V
Lit
Not lit
Check the wiring for
deformation, tears or
breaks. Replace if
necessary.
Check the connectors
for deformations.
Replace if necessary.
Check L-Print
functioning. Replace if
necessary.
Replace S-Print
LED 4 CPU
Central processing unit
lit = O.k., Processor is working
not lit = processor does not work
Check LED 1-3
Replace L-Print
Replace S-Print
Service-Manual_artista_630_640_english_V4.01_032069_50_04.doc
LED2 / 12V
Lit
Not lit
Check the wiring for
deformation, tears or
breaks. Replace if
necessary.
Check the connectors
for deformations.
Replace if necessary.
Check L-Print
functioning. Replace if
necessary.
Replace S-Print
LED 5 FPGA
Field programmable gate array
flashing = O.k., Firmware is
saved/loaded
does not flash = firmware is not
loaded or recognized
Update. Reload machine firmware.
Replace S-Print
Replace L-Print
LED3 / 5V
Lit
Not lit
Check the wiring for
deformation, tears or
breaks. Replace if
necessary.
Check the connectors
for deformations.
Replace if necessary.
Check L-Print
functioning. Replace if
necessary.
Replace S-Print
68