2465B/2467B Service
ERROR MESSAGE DIAGNOSTICS
NOTE
REFER TO PAGES 6-10 TROUGH 6-15, OF
MAINTENANCE SECTION, FOR DETAILED
INFORMATION ON DIAGNOSTIC ROUTINES.
REPLACE
U2140
CHECK
CONTINUITY
BETWEEN
U2640-10
AND
U2540-8
REPLACE
U2640
OPEN
CIRCUIT
REPLACE
U2301
REFER TO
THE FRONT-PANEL
TROUBLESHOOTING
PROCEDURE
REPLACE
U2920
<s>
PRESS UPPER
SOURCE SWITCH
TO TURN ON
LOOPING
PRESS COUPLING
SWITCH UP TO
BEGIN TEST
NO
FAILURE CODE XI, X2, OR IX
CALIBRATE ENTIRE INSTRUMENT
AND ALL OPTIONS (IF PRESENT)
TURN POWER OFF WAIT «5MIN
AND TURN POWER BACK ON
RELACE
RAM U2460
AND
RECALIBRATE
REPLACE
U2960
REPLACE
U26S0
CHECK
CONTINUITY
FROM BDO ON
CONTROL BOARD
OPEN
CIRCUIT
CHECK OR
REPLACE
RAM
U2460
AND
RECALIBRATE
REFER TO
TRIGGER ERROR
MESSAGE TABLE
AT LEFT TO
DETERMINE
PROBABLE CAUSE
O
CHECK
LINE TRIGGER
SOURCE AND
INTERCONNECTIONS
w
!=!
z >
ra
o
en
o
o
o
o
a m
CO 3
d m
o
w
>
03
o
<
m
>
O
m
0
REPAIR
INDICATED
FAULT
'RETURN
1
TO
6863-45