User`s guide
Table Of Contents
- User’s Guide
- 1 Getting Started
- 2 Introduction
- 3 Installation
- 4 Using EasyEXPERT
- 5 Classic Test Definition
- I/V Sweep
- Multi Channel I/V Sweep
- I/V List Sweep
- I/V-t Sampling
- C-V Sweep
- Direct Control
- Function Setup
- Auto Analysis Setup
- Display Setup
- SMU Range Setup Window
- ADC and Integration Time Setup Window
- Advanced Setup Window
- CMU Range Setup Window
- Advanced Setup Window for C-V Sweep
- Switching Matrix Control
- SPGU Control
- SPGU Pulse Setup Window
- Load Z Setup Window
- Pulse Switch Setup Window
- SPGU ALWG Setup Window
- Define ALWG Waveform Window
- 6 Application Test Definition
- 7 Function Details
- I/V Sweep Measurement
- Multi Channel I/V Sweep Measurement
- I/V-t Sampling Measurement
- C-V Sweep Measurement
- SPGU Module
- Sweep Abort Function
- Standby Function
- Bias Hold Function
- Current Offset Cancel
- SMU CMU Unify Unit
- Atto Sense and Switch Unit
- SMU/PG Selector
- SMU Ranging Mode
- SMU Compliance
- SMU Pulse
- SMU Measurement Time
- SMU Filter
- SMU Series Resistor
- Interlock Function
- Auto Power Off Function
- Initial Settings
- 8 Built-in Programming Tool
- 9 If You Have a Problem
- When You Operate B1500A
- When You Perform Measurement
- Measurement Takes More Time than Specified
- Noise Affects the Measured Values
- Voltage Measurement Error is Large
- SMU Oscillates for High-Frequency Device Measurements
- SMU Oscillates for Negative Resistance Measurements
- Large Current Causes High Temperature (Thermal Drift)
- Measurement Damages the Device under Test
- Leaving Connections Damages Devices after Measurement
- Unexpected Sampling Measurement Data is Returned
- MFCMU Causes Unbalance Condition
- Before Shipping to Service Center
- Data Backup and Recovery
- B1500A System Recovery
- Updating EasyEXPERT
- Error Codes
- 10 Application Library and Utilities

Agilent B1500 User’s Guide, Edition 7 9-49
If You Have a Problem
Error Codes
For a log sweep, the polarity of the start and stop values must be the
same in the WV, WI, WSV, WSI, or WNX command. Also, 0 is not
allowed for the start and stop values.
150 Command input buffer is full.
Agilent B1500 can receive 256 characters maximum including t
he
terminator at one time.
151 This command is not allowed to this channel.
152 Cannot use failed module.
The channel number specifying the module failed the self-test or
calibr
ation
. Specify another module that passed the self-test or
calibration. For the service purpose, execute the RCV command to
enable the module.
153 No module for the specified channel.
Module is not installed in the slot specified by the channel number.
160 Incorrect ST execution.
The internal memory programming can be started by the ST command
and completed by the
END command. Do not enter the ST command
between the ST command and the END command.
161 Incorrect END execution.
The internal memory programming can be started by the ST command
and completed
by the END command. Do not send the END command
before starting the programming.
162 Incorrect command for program memory.
Specified command cannot be stored in the program memory. For the
incorrect commands, s
ee Programming Guide.
170 Incorrect usage of internal variable.
The internal variable must be %In for integer data, or %Rn for real
d
ata. where n is an integer, 0 to 99. Use %In for the integer type
command parameters; and use %Rn for the real type command
parameters. For the internal variables, see the VAR command of
Programming Guide.
171 Internal variable is not allowed.