Service diagnostic interface for consumer electronics products and networks - Implementation for ECHONET

IEC 62394:2022 specifies requirements for service diagnostic software to be implemented in products that incorporate a digital interface. It does not specify requirements for carrying out remote diagnosis or for manufacturer-dependent software.
The Service Diagnostic Interface (SDI) requires an external controller (exclusive or general-purpose/PC) into which service diagnostic software can be loaded. Parts of the controller software are standardized while other parts are proprietary to the manufacturers.
To reach a common approach in servicing all products from all manufacturers, it is necessary to standardize specific items to be tested in products and certain aspects of controllers' diagnostic software.
The SDI is based upon ECHONET specification version 2.11, ECHONET Lite specification version 1.13, and APPENDIX Detailed Requirements for ECHONET Device objects Release M, because this interface will be used in future products. The use of this connection and existing communication protocols enable implementation in products at a low cost, with maximum flexibility and efficiency.
The SDI consists of
• specific hardware and software requirements of the device under test (DUT);
• specific requirements of the controller:
– the service software;
– an ECHONET interface;
• the connection between the controller and the DUT.
This document provides the minimal requirements necessary to carry out computerized diagnosis. It covers the standardized software of the controller as well as the standardized software and provisions in the DUT.
IEC 62394:2022 cancels and replaces the third edition published in 2017. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) updates of the device object super class specifications for the property configurations shared by all device objects;
b) modification and addition of the property configurations defined by each object;
c) addition of new device objects and their property configurations;
d) updates to Bibliography.

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IEC 62394

Edition 4.0 2022-07


Service diagnostic interface for consumer electronics products and networks –
Implementation for ECHONET
IEC 62394:2022-07(en)

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IEC 62394


Edition 4.0 2022-07





Service diagnostic interface for consumer electronics products and networks –

Implementation for ECHONET




ICS 33.160.99; 35.110 ISBN 978-2-8322-3923-0

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® Registered trademark of the International Electrotechnical Commission

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– 2 – IEC 62394:2022 © IEC 2022
1 Scope . 35
2 Normative references . 35
3 Terms, definitions and abbreviated terms . 35
3.1 Terms and definitions . 35
3.2 Abbreviated terms . 36
4 Different types of service diagnostics . 37
4.1 Stand-alone products . 37
4.2 Facilities or household appliances network . 37
4.3 Remote diagnosis . 37
5 SDI requirements . 37
5.1 General .

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