If You Have a Problem
Agilent 4155C Semiconductor Parameter Analyzer
Agilent 4156C Precision Semiconductor Parameter Analyzer
Agilent Part No. 04156-90090
Printed in Japan January 2001
Edition 1
Legal Notice
The information contained in this document is subject to change without notice.
Copyright © 2001 Agilent Technologies
This document contains information which is protected by copyright. All rights are
reserved. Reproduction, adaptation, or translation without prior written permission
is prohibited, except as allowed under the copyright laws.
• Product Warranty
Agilent Technologies warrants Agilent Technologies hardware, accessories and
supplies against defects in materials and workmanship for the period of one year
from the warranty start date specified below. If Agilent Technologies receives
notice of such defects during the warranty period, Agilent Technologies will, at
its option, either repair or replace products which prove to be defective.
Replacement products may be either new or like-new.
Warranty service of this product will be performed at Agilent Technologies.
Buyer shall prepay shipping charges to Agilent Technologies and Agilent
Technologies shall pay shipping charges to return the product to Buyer.
However, Buyer shall pay all shipping charges, duties, and taxes for products
returned to Agilent Technologies from another country.
Agilent Technologies does not warrant that the operation of Agilent
Technologies products will be uninterrupted or error free. If Agilent
Technologies is unable, within a reasonable time, to repair or replace any
product to a condition as warranted, customer will be entitled to a refund of the
purchase price upon prompt return of the product.
The Agilent Technologies products may contain remanufactured parts
equivalent to new in performance or may have been subject to incidental use.
The warranty period begins on the date of delivery or on the date of installation
if installed by Agilent Technologies. If customer schedules or delays Agilent
Technologies installation more than 30 days after delivery, warranty begins on
the 31st day from delivery.
Warranty does not apply to defects resulting from (a) improper or inadequate
maintenance or calibration, (b) software, interfacing, parts or supplies not
supplied by Agilent Technologies, (c) unauthorized modification or misuse, (d)
operation outside of the published environmental specifications for the product,
or (e) improper site preparation or maintenance.
2 Agilent 4155C/4156C If You Have a Problem, Edition 1
To the extent allowed by local law, the above warranties are exclusive and no
other warranty or condition, whether written or oral, is expressed or implied and
Agilent Technologies specifically disclaims any implied warranties or
conditions of merchantability, satisfactory quality, and fitness for a particular
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that all such damages are determined by a court of competent jurisdiction to
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To the extent allowed by local law, the remedies in this warranty statement are
customer’s sole and exclusive remedies. Expect as indicated above, in no event
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whether based in contract, tort, or otherwise.
For consumer transactions in Australia and New Zealand: the warranty terms
contained in this statement, except to the extent lawfully permitted, do not
exclude, restrict or modify and are in addition to the mandatory statutory rights
applicable to the sale of this product to you.
• Assistance
Product maintenance agreements and other customer assistance agreements are
available for Agilent Technologies products.
For any assistance, contact your nearest Agilent Technologies Sales Office.
• Certification
Agilent Technologies, Inc. certifies that this product met its published
specifications at the time of shipment from the factory. Agilent Technologies
further certifies that its calibration measurements are traceable to the National
Institute of Standards and Technology (NIST), to the extent allowed by the
Institute’s calibration facility, and to the calibration facilities of other
International Standards Organization members.
Printing History
Edition 1: January 2001
Agilent 4155C/4156C If You Have a Problem, Edition 1 3
In This Manual
This manual explains how to solve a problem or how to read status and error codes,
if you encounter some problem.
This manual is organized into the following chapters:
• When you install Agilent 4155C/4156C
This chapter explains how to solve the problems that may occur when installing
the 4155C/4156C.
• When you make a measurement
This chapter explains how to solve the problems that may occur when making a
measurement.
• If errors occur
This chapter lists error codes and messages that may be displayed when
operating Agilent 4155C/4156C. Also, this section describes how to read data
status.
4 Agilent 4155C/4156C If You Have a Problem, Edition 1
To Get Help Information
To start help function, press the Help front-panel key. Then, you can select one of
the following primary softkeys.
• OVERVIEW
Briefly explains each help softkey.
• PAGE MAP
Shows a map of all screens, highlights the present screen name, and gives a brief
description of the highlighted screen name. You can use the arrow keys to
highlight another screen name, then can display the screen by selecting the
SELECT secondary softkey.
• FIELD INFO
Describes field where the pointer is located on the screen, how to setup the field,
and the setting restrictions. This softkey is not displayed for GRAPHICS, LIST,
KNOB SWEEP, or STRESS FORCE screen.
• DATA STAT
Shows how to read data status, which is displayed at the bottom of GRAPHICS,
LIST, KNOB SWEEP, or STRESS FORCE screen. This softkey is displayed
only for these screens.
• INPUT AID
Displays variable names, mathematics functions, and read-out functions, and
describes the highlighted name or function. This softkey is not displayed for
GRAPHICS, LIST, KNOB SWEEP, or STRESS FORCE screen.
You can enter desired variable or function into the selected setup field of a
screen by selecting ENTER secondary softkey, then pressing Enter front-panel
key.
Agilent 4155C/4156C If You Have a Problem, Edition 1 5
6 Agilent 4155C/4156C If You Have a Problem, Edition 1
Contents
1. When You Install the 4155C/4156C
If the 4155C/4156C cannot be Powered on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
If Measurement Units of the 41501A/B are not Displayed on the CHANNELS:
CHANNEL DEFINITION Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
If External Keyboard does not Work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
If Display screen does not Appear after Applying Power . . . . . . . . . . . . . . . . . . 1-6
If the 16442A Test Fixture is not Stable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
If Network Function does not Work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
If the 4155C/4156C cannot mount the network file system . . . . . . . . . . . . . . . . 1-9
If CHANGE DIRECTORY Function does not work . . . . . . . . . . . . . . . . . . . . . 1-9
If GET Function does not work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
If SAVE Function does not work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
If PURGE Function does not work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
If RENAME Function does not work. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
If the 4155C/4156C cannot print on a remote printer . . . . . . . . . . . . . . . . . . . 1-11
2. When You Make a Measurement
If Measured Value Oscillates when Measuring High-Frequency Devices . . . . . . 2-3
If Measured Value Oscillates when Measuring Negative Resistance . . . . . . . . . . 2-4
If Noise Affects the Measured Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
If Measured Voltage has some Error when Forcing a Large Current. . . . . . . . . . . 2-6
If Large Current Causes High Temperature (Thermal Drift) . . . . . . . . . . . . . . . . . 2-7
If Measurement Takes More Time than Specified . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
If Measurement Damages the Device under Test . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
If You Get Unexpected Data when Performing Sampling Measurement . . . . . . 2-10
Agilent 4155C/4156C If You Have a Problem, Edition 1 Contents - 1
Contents
3. If Errors Occur
If Errors Occur when You Perform Self-calibration or Diagnostics . . . . . . . . . . . 3-3
Error codes for measurement unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Error code for CPU and peripherals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7
If Errors Occur when You Operate the 4155C/4156C. . . . . . . . . . . . . . . . . . . . . . 3-9
If a Measurement Data Status is Displayed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29
GRAPH/LIST: GRAPHICS and KNOB SWEEP screen . . . . . . . . . . . . . . . . 3-29
GRAPH/LIST: LIST screen. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-30
STRESS: STRESS FORCE screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-31
Contents - 2 Agilent 4155C/4156C If You Have a Problem, Edition 1
1 When You Install the 4155C/4156C
Agilent 4155C/4156C If You Have a Problem, Edition 1
When You Install the 4155C/4156C
This section covers the following basic problems that you may encounter when you
install the 4155C/4156C, and the solutions.
•“If the 4155C/4156C cannot be Powered on”
•“If Measurement Units of the 41501A/B are not Displayed on the CHANNELS:
CHANNEL DEFINITION Screen”
•“If External Keyboard does not Work”
•“If Display screen does not Appear after Applying Power”
•“If the 16442A Test Fixture is not Stable”
•“If Network Function does not Work”
1-2 Agilent 4155C/4156C If You Have a Problem, Edition 1
When You Install the 4155C/4156C
If the 4155C/4156C cannot be Powered on
If the 4155C/4156C cannot be Powered on
• Check that the power cable is firmly connected to the 4155C/4156C and to
power outlet.
• Check that the front-panel LINE switch is on.
• Check that the voltage selector switch is set properly.
The voltage selector switch is located in the lower-right corner of the rear panel.
The following table shows the line voltage selector setting.
Line Voltage Position
90 to 132 Vac left
198 to 264 Vac right
• Check that the fuse is good.
The fuse holder is located in the lower-right corner of the rear panel.
1. Turn the 4155C/4156C off, then disconnect the power cable from the power
outlet.
2. Unscrew the fuse holder on the rear panel.
3. Inspect that the correct fuse is installed, and wire inside the fuse is not
broken by using a tester.
Line Fuse type Agilent part number
100/120 Vac UL/CSA T 8A, 250 Vac 2110-0383
220/240 Vac UL/CSA T 4A, 250 Vac 2110-0014
4. Replace the fuse, if necessary. Then, screw in the fuse holder.
5. Turn the 4155C/4156C on.
Agilent 4155C/4156C If You Have a Problem, Edition 1 1-3
When You Install the 4155C/4156C
If Measurement Units of the 41501A/B are not Displayed on the
CHANNELS: CHANNEL DEFINITION Screen
If Measurement Units of the 41501A/B are not Displayed on the CHANNELS: CHANNEL DEFINITION Screen
• Check that the power cable is firmly connected to the 41501A/B and to power
outlet.
• Check that the LINE switch of the 41501A/B is on.
• Check that the voltage selector switch is set properly.
The voltage selector switch is located in the lower-right corner of the rear panel.
The following table shows the line voltage selector setting.
Line Voltage Position
90 to 132 Vac left
198 to 264 Vac right
• Check that the fuse is good.
The fuse holder is located in the lower-right corner of the rear panel.
1. Turn the 4155C/4156C and the 41501A/B off.
2. Unscrew the fuse holder on the rear panel.
3. Inspect that the correct fuse is installed, and wire inside the fuse is not
broken by using a tester.
Line Fuse type Agilent part number
100/120 Vac UL/CSA T 8A, 250 Vac 2110-0383
220/240 Vac UL/CSA T 4A, 250 Vac 2110-0014
4. Replace the fuse, if necessary. Then, screw in the fuse holder.
5. Turn on the 41501A/B first, then turn on the 4155C/4156C.
• Check that the interface board of the 41501A/B is firmly connected to "To
Expander Box Interface" of the 4155C/4156C rear panel.
1-4 Agilent 4155C/4156C If You Have a Problem, Edition 1
When You Install the 4155C/4156C
If External Keyboard does not Work
If External Keyboard does not Work
• Connect keyboard first, then turn on the 4155C/4156C.
• Turn off the 4155C/4156C, then check that the connector of keyboard is firmly
connected into keyboard connector of the 4155C/4156C front panel.
• Execute the External Key Controller diagnostics test on the SYSTEM:
SELF-CALIBRATION/DIAGNOSTICS screen. If error occurs, write down the
displayed error codes and contact the nearest Agilent Technologies Sales and
Service office.
Agilent 4155C/4156C If You Have a Problem, Edition 1 1-5
When You Install the 4155C/4156C
If Display screen does not Appear after Applying Power
If Display screen does not Appear after Applying Power
• If the 41501A/B is installed, first turn on the 41501A/B, then turn on the
4155C/4156C.
• If the self-test fails, see Chapter 3.
1-6 Agilent 4155C/4156C If You Have a Problem, Edition 1
When You Install the 4155C/4156C
If the 16442A Test Fixture is not Stable
If the 16442A Test Fixture is not Stable
• Install stabilizers on the 16442A. For this procedure, see User’s Guide: General
Information.
• If you use the 16442A test fixture with the 16440A selector or 16441A R-Box,
attach the 16442A to the 16440A or 16441A by using plates and screws. For this
procedure, see User’s Guide: General Information.
Agilent 4155C/4156C If You Have a Problem, Edition 1 1-7
When You Install the 4155C/4156C
If Network Function does not Work
If Network Function does not Work
This section covers the problems on the 4155C/4156C network function, and the
solutions.
•“If the 4155C/4156C cannot mount the network file system”
•“If CHANGE DIRECTORY Function does not work”
•“If GET Function does not work”
•“If SAVE Function does not work”
•“If PURGE Function does not work”
•“If RENAME Function does not work”
•“If the 4155C/4156C cannot print on a remote printer”
1-8 Agilent 4155C/4156C If You Have a Problem, Edition 1
When You Install the 4155C/4156C
If Network Function does not Work
If the 4155C/4156C cannot mount the network file system
Execute the LAN interface test. For this procedure, see User’s Guide: General
Information.
If the 4155C/4156C fails the test, contact to the nearest Agilent Technologies
service office.
If the 4155C/4156C passes the test, do following:
1. Check the settings of the NETWORK SETUP table on the SYSTEM:
MISCELLANEOUS screen, and set the table properly.
If the setting is ok, but the 4155C/4156C cannot mount the network file system,
do following:
2. Send ping from NFS server to the 4155C/4156C.
• If the 4155C/4156C returns the responses:
a. Check the settings of the NETWORK DRIVE SETUP table on the
SYSTEM: MISCELLANEOUS screen, and set the table properly.
If the setting is ok, but the 4155C/4156C cannot mount the network file
system, do following:
b. Check the setting of the NFS server, and set it properly.
Directory specified by the NETWORK DRIVE SETUP table must be
exported for the 4155C/4156C.
• If no response is returned: LAN or LAN cable may be defective. Contact to
the network system administrator to solve the problem.
If CHANGE DIRECTORY Function does not work
Check the permission of the directory. The execution permission must be set.
Change the permission.
If GET Function does not work
Check the permission of the file. The read permission must be set. Change the
permission.
Agilent 4155C/4156C If You Have a Problem, Edition 1 1-9
When You Install the 4155C/4156C
If Network Function does not Work
If SAVE Function does not work
Check the following:
• Check the permission of the directory to save the file. The write permission must
be set. Change the permission.
• If the file name has already existed on the directory, the write permission must
be set for the file. Change the permission.
• If the directory has been exported with the read only permission, the
4155C/4156C cannot write a file on the directory. Retry to export the directory
with read/write/execute permission.
If PURGE Function does not work
Check the following:
• Check the permission of the file to be deleted. The write permission must be set.
Change the permission.
• If the directory has been exported with the read only permission, the
4155C/4156C cannot delete a file on the directory. Retry to export the directory
with read/write/execute permission.
If RENAME Function does not work
Check the following:
• Check the permission of the source file. The read permission must be set.
Change the permission.
• Check the permission of the directory for the target file. The write permission
must be set. Change the permission.
• If the target file name has already existed on the directory, the write permission
must be set for the file. Change the permission.
• If the directory has been exported with the read only permission, the
4155C/4156C cannot rename/copy a file on the directory. Retry to export the
directory with read/write/execute permission.
1-10 Agilent 4155C/4156C If You Have a Problem, Edition 1
When You Install the 4155C/4156C
If Network Function does not Work
If the 4155C/4156C cannot print on a remote printer
If the 4155C/4156C cannot print on a remote printer, or the following error message
is displayed on the screen, do following:
ERROR 18: Device I/O error. Unable to print out.
If you can use the 4155C/4156C as a NFS client, ignore step 1 and 2, and go to step
3.
1. Execute the LAN interface test. For this procedure, see User’s Guide: General
Information.
If the 4155C/4156C fails the test, contact to the nearest Agilent Technologies
service office.
If the 4155C/4156C passes the test, do following:
2. Check the settings of the NETWORK SETUP table on the SYSTEM:
MISCELLANEOUS screen, and set the table properly.
If the setting is ok, but the 4155C/4156C cannot use the remote printer, do
following:
3. Send ping from the print server to the 4155C/4156C.
• If the 4155C/4156C returns the responses:
a. Check the settings of the NETWORK PRINTER SETUP table on the
SYSTEM: MISCELLANEOUS screen, and set the table properly.
If the setting is ok, but the 4155C/4156C cannot use the remote printer,
do following:
b. Confirm the setting of the print server, and set it properly. lpd/lpr
must be effective.
• If no response is returned: LAN or LAN cable may be defective. Contact to
the network system administrator to solve the problem.
If the desired output is not printed out, or an unwanted control character is printed at
the beginning of the hard copy, check the following entry fields of the NETWORK
PRINTER SETUP table, and set the fields properly.
• TEXT OUT entry field
• GRAPH OUT entry field
Agilent 4155C/4156C If You Have a Problem, Edition 1 1-11
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