Part 2 Isolating and Solving Instrument Problems
"Measurement
Server not sup-
ported" status
message
Power Supply related problems
See Troubleshooting the Front-Panel LEDs earlier in this chapter.
Display and LCD Adapter Board related problems
Monitor screen
is blank.
Fluid dripping
or appearing
below Instru-
ment.
Decrease in
light intensity
on display.
Brightness
decreases from
top to bottom or
bottom to top.
188
Either
M3001A Measurement
Server is connected to an
M3046A Monitor with
Rev. D or lower software.
This conbination does not
allow monitoring.
Or
M3000A Measurement
Server is connected to an
M3046A Monitor with
Rev. E software. This con-
bination does not allow
monitoring.
Instrument appears to boot
as it should; alarm LEDs
switch on/off, successful
test sound, and yellow
LED on the System Board
blinks.
Display and other cables
not seated correctly.
LCD assembly damaged
or cracked.
One of the two backlight
tubes is worn.
Use only M3000A Meas-
urement Servers with
M3046A Monitors with
Rev. D or lower software.
Use only M3001A Meas-
urement Servers with
M3046A Monitors with
Rev. E software.
See Troubleshooting the
System Board LEDs ear-
lier in this chapter.
Refit cables correctly.
If this does not work,
replace the LCD Display
Assembly.
Replace the LCD Display
Assembly.
Replace both backlight
tubes. Although it is unu-
sual for both tubes to need
replacing at the same
time, you are recom-
mended to do so since
replacement is not easy.
Troubleshooting the Instrument
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