HP 22A Introduction, Front Panel Error Messages in AlDhabetical.Order, Error Messages 2a-1

2a

ERROR MESSAGES

Introduction

WARNING

Front Panel Error

Messages in

AlDhabetical.Order

This section lists the error messages that may be displayed by the front panel or transmitted by the synthesizer over the interface bus. Each error message is accompanied by an explanation,

and suggestions are provided to help solve the problem. Where applicable, references are given to related chapters of the operating and service manuals.

A list of the messages displayed on the message line of the synthesizer are included in separate list because they are considered status messages rather than error messages.

No operator serviceable parts inside. Refer servicing to qualified personnel. To prevent electrical shock, do not remove covers.

ABILITY TO SAVE A RECALL REGISTER IS LOCKED OUT:

This message occurs when the save/recall registers have been disabled by the save lock feature or by a calibration constant.

ADDR ERROR EXCEPTION: This can only be caused by an internal processor error. Refer to the “OPERATOR’S CHECK” chapter for instructions on contacting a qualified service technician.

Auto Track Failed! Cal Not Updated: occurs when auto track has been initiated and for some reason has failed. Refer to the “OPERATOR’S CHECK” chapter and follow the local operator’s check procedures.

BUS ERROR EXCEPTION: This can only be caused by an internal processor error. Refer to the “OPERATOR’S CHECK” chapter for instructions on contacting a qualified service technician.

DEFAULTING LANGUAGE: This error message is displayed in conjunction with one of the following messages.

nInvalid Language set on rear panel switch. The HP-IB/Language switch located on the rear panel has been set to an invalid programming language selection. The programming language is defaulted to the previous setting. Check the rear panel switch. See “INSTALLATION” for information on language selection.

Error Messages 2a-1