ILT.3020
Keyboard problems are most likely one of the following:
The display takes a long time to update, and UNLOCK
ashes in the display. Press
4
PRESET
54
SERVICE
5
and
select
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Unlock Info
. The following is a prioritized list.
Find the rst one that applies.
1. REF UNLOCK: go to A7.9000.
2. SAMPLER UNLOCK: go to A6.9000.
3. FRACN UNLOCK: go to A4.9000.
4. YO UNLOCK: consider the following, in this order:
a. A6: go to A6.9000.
b. A5: go to A5.9000.
c. A13: go to A13.9000.
d. A26: go to RF.2690.
5. HET UNLOCK: go to RF.2490.
Cosmetic fault. The appearance, or another supercial
characteristic, is questionable. Replace the keyboard
(go to A1.9000).
The keyboard has an intermittent fault. Possible
failures include the following:
1. Keyboard (A1).
2. Front panel processor (A3).
3. Cables (W3, W5).
If the display updates slowly, examine (and modify,if
required) calibration constant #554 using the following
procedure:
Press
4
PRESET
54
SERVICE
5
.
Select
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Adjust Menu
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Calib Menu
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Select Cal
.
Press
4
554
54
ENTER
5
.
Calibration constant #554 should be set to 245. If it is
not, continue with the following:
Select
N
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Modify Cal
.
Press
4
245
54
ENTER
5
.
Select
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
Cal Util Menu
NNNNNNNNNNNNNNNNNNNNNNNNNN
Save Cal
NNNNNNNNNNN
yes
.
If these alternatives do not x the problem, use the
instrument block diagram (behind the \Troubleshooting
Block Diagrams" tab) to troubleshoot this problem.
Agilent 8360 Instrument Level Troubleshooting 1a-53
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