Agilent Technologies 4288A, Programming Manual, Page: 267 / 289

Appendix F 265
Error Messages
Error number: 15
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15 A1 board test failed
The A1 board test at power-on has failed.
If this error occurs, the 4288A makes a beep sound and stops. The hardware is at fault and
needs repair.
Contact an Agilent Technologies sales office or the VAR from which you purchased the
instrument.
16 ADC failure
A problem has occurred in the A/D converter during measurement.
If this error occurs, the 4288A makes a beep sound and stops. The hardware is at fault and
needs repair.
Contact an Agilent Technologies sales office or the VAR from which you purchased the
instrument.
17 Fan stopped
The fan has stopped.
If this error occurs, the 4288A makes a beep sound and stops. The hardware is at fault and
needs repair.
Contact an Agilent Technologies sales office or the VAR from which you purchased the
instrument.
18 Calibration memory lost
The calibration data in EEPROM has been lost at power-on.
If this error occurs, the 4288A makes a beep sound and stops. The hardware is at fault and
needs repair.
Contact an Agilent Technologies sales office or the VAR from which you purchased the
instrument.
19 User data lost
The compensation data in EEPROM has been lost at power-on.
The compensation data is initialized to the factory-shipped state. Possible causes include
the hardware being at fault or the power being turned OFF during write to EEPROM.
Contact an Agilent Technologies sales office or the VAR from which you purchased the
instrument.
20 Previous setting lost
The instrument setup values in backup memory have been lost at power-on.
These values are initialized to the factory-shipped state. No beep sound is made. Possible
causes include 72 hours or more elapsing since turning OFF the power or the hardware
becoming faulty.