DIAGNOSTICS
Error Codes
10DEC05
DG4825-1
Page
101 of 180
“Self Test” for the MASTER CENTRAL PROCESSING UNIT
19001 - Check GALVO COMMUNICATIONS CABLE
19002 - Check PMT BOARD CABLE and power
19003 - Check the power to the GALVO BOARD
19004 - GALVO AGC reference is too high. Suggest check if GALVO
connected and/or adjust AGC
Cause 4: The PMT/DAS BOARD A5 malfunctioned.
Action:
Do the checkout for the
Cause:
Communication problems in the GALVO AY.
Action:
Check the GALVO COMMUNICATION CABLE.
Cause:
The PMT/DAS BOARD A5 malfunctioned.
Action:
Check:
•
CABLE to the PMT/DAS BOARD A5
•
power to the PMT/DAS BOARD A5
•
Cause:
No power to the GALVO BOARD A4.
Action:
Check the power to the GALVO BOARD A4.
Cause:
The reference voltage for the GALVO AGC is too high.
Action:
Check:
•
connection to the GALVO BOARD A4
•
signal for the R2 AGC is correctly adjusted
•
connections at the GALVO AY