Troubleshooting
Introduction
Agilent E4418B/E4419B Service Guide 6-5
Figure 6-2: Troubleshooting Guide - Lower Window TTL Output
Start
Power Up
meter
POST
Pass?
Connect Sensor to Channel A
Any
Sensor
Errors?
Select
System/Inputs
More
Service
Self Test
Instrument Self Test
Self Test
Errors?
Using DVM E2373A or equivalent,
End
Yes
No
A
Select Done
No
set to VDC, monitor Rmt I/O
Connector pin 4 wrt pin 8.
Investigate Power
Meter Failure
Investigate
Sensor Failure
No
Yes
Yes
4402serv.book Page 5 Tuesday, October 14, 2003 3:18 PM
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