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Urgent - Escalation of 7SJ85 Siprotec relay failure

Joined: 11/4/2017

Last visit: 6/26/2025

Posts: 5

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7SJ85 Siprotec relay failure

This most recent malfunction caused a full board trip, leading to the shutdown of the entire unit and substantial production losses.

Upon inspection, relay diagnostic log has logged that the trip was due to a hardware failure & PCB link disturbance in the relay.

Note:

A firmware upgrade of the Siprotec relay from version 7.30 to 9.80 is one of the strategies to address the recurrent relay failures.?

Firmware information	Current Firmware installed the relay
Configuration version (CFC/Main board)	7.30
configuration version-port E	7.30
IEC 61850 Edition	IEC 61850 Edition 1
Communication module Revision-Port-E	Revision 1
Year of manufacture	2016
MPN of relay	7SJ85-DAAA-AA0-0AAAA0-AH0212-23111B-ACD000-000AC0-CB2BA2-CG0CF0
Short product code	P1J279479

Model	MPN	Serial Number	Failure date	Mode of Failure
7SJ85	P1J279479	BM1608004720	07.12.2023	Relay went to error mode
7SJ85	P1J279479	BM1608004700	28.11.2023	Relay went to error mode
7SJ85	P1J279479	BM1608003976	04.03.2024	HMI was blinking.
7SJ85	P1J279479	BM1608004712	13.03.2024	Relay went to error mode.
7SJ85	P1J279479	BM1608003972	16.07.2024	Tripped breaker with false signals. Relay diagnostic log indicated hardware failure.
7SJ85	P1J279479	BM1608004000	24.01.2025	Relay went to Error mode upon restart after an isolation & de-isolation activity.

4/22/2025 9:44 AM	Rate (0)
Mike J Platinum Expert Joined: 10/9/2007 Last visit: 12/18/2025 Posts: 1295 Rating: (116)	Hi contact the official supportsupport.ea.si@siemens.com
	Energy Automation products: Sicam, Siprotec, Digsi
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5/22/2025 11:21 AM	Rate (0)
boopalan Member Joined: 11/4/2017 Last visit: 6/26/2025 Posts: 5 Rating: (0)	Thank you we will send above mention email id

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