MES SQA-Vision Service Manual page 29

SQA-Vision
Acceptable
Parameter
Range
Zero Level
500 – 525
Zero Level
500 – 525
REFERENCE
2 (REF 2)
2500 – 3500
REFERENCE
2 (REF 2)
2500 – 3500
REFERENCE
2 (REF 2)
2800 - 3200
LED
CURRENT 2
(LED 2)
10 – 32 mA
LED
CURRENT 2
(LED 2)
10 – 32 mA
Edition rev.: Jan 2020
Service Manual Version 109.13.4
If the ZERO LEVEL is not within the acceptable range of 500-525 it indicates
the following:
High:
• The light source is obstructed with dirt or debris (CLEAN)
• Ambient temperature is below 20
temperature between 20-25
Low:
• The light source is obstructed with dirt or debris (CLEAN)
• Ambient temperature is above 25
temperature between 20-25
Optical board problem if not resolved
If the REFERENCE 2 (REF 2) is not within the acceptable range of 2500-
3500mV it indicates the following:
Low: The light source is obstructed with dirt or debris (CLEAN)
High: Optical board problem. New motherboard/optical block, "MBOB"
required (RMA)
REF2=0: Damaged Optical board to LED board cables/ Optical board problem
• Replace cables in the field
Optical board problem. New motherboard/optical block, "MBOB"
•
required (RMA)
If the LED CURRENT 2 (LED 2) is not within the acceptable range of 10-32mA
and is not identical to the initial manufacturer's setting (you must compare)
it indicates an optical board or LED problem requiring a new motherboard
/optical block, "MBOB" (RMA)
Describing and Troubleshooting
Parameters Out of Range (High or Low)
ZERO LEVEL PASSED THE SELF-TEST
ACCEPTABLE RANGE: 500 - 525
ZERO LEVEL FAILED THE SELF-TEST
o
o
C / 68-77
o
o
C per user guide)
REFERENCE 2 PASSED THE SELF-TEST
ACCEPTABLE RANGE: 2,500mV – 3,500mV
REFERENCE 2 FAILED THE SELF-TEST
REFERENCE 2 PASSED THE SELF-TEST
BUT IS NOT OPTIMAL
OPTIMAL RANGE: 2,800mV – 3,200mV
(CLEAN)
LED CURRENT 2 PASSED THE SELF-TEST
ACCEPTABLE RANGE: 10mA – 32mA
LED CURRENT 2 FAILED THE SELF-TEST
29
o
C / 68 F (maintain room
o
F per user guide)
o
C / 77 F (maintain room
C
O
N
C
E
N
T
R
A
T
I
O
N