Part 1 Troubleshooting Checklists
172
Troubleshooting the Instrument
Troubleshooting the Measurement Server LEDs
The Measurement Server LEDs can be seen from the rear view of the Instrument.
The functions of the three LEDs in the Server are identical to the three LEDs on the
Instrument System Board:
LED
Description
Defect Condition
Green
+5V power LED—When on, this
LEd indicates the presence of +5V.
Off: Check Power Supply
and associated cabling.
Go to the troubleshooting
section.
Yel-
low
Main CPU status LED—When on
and blinking, this LED indicates
normal CPU operation.
Starts to blink 2 times per second
after the red Error LED switches
off then slows down to blink 1 time
per second after the red Error LED
switches off when the system boot
has finished (approximately 2 sec-
onds).
If permanently on or off,
indicates a hung CPU.
- Reload software
- Exchange system board.
Red
Error LED—When on, this LED
indicates an error.
This LED switches on for about 1
second after a System Board reset
then switches off.
If permanently on, the
Server is probably defec-
tive.
Measurement Server LEDs
.
..
Red
Yellow
Green
.
.
.
Summary of Contents for M3000A
Page 2: ...Printed in Germany 03 05 Sixth Edition M3046 9300F Part Number M3046 9300F 4512 610 07711 S ...
Page 8: ...vi ...
Page 134: ...Answers to the Tutorial for Installing the Instrument 118 Installing the Instrument ...
Page 268: ...Monitor Parts 252 Replacement Parts Monitor Parts 5 4 3 7 2 1 6 ...