Troubleshooting
Relay Does Not Power Up
Siemens recommends proceeding as follows:
²
Check the correct auxiliary AC or DC voltage is applied and the polarity is correct
²
Check the phase connections based on the terminal diagram and if CT power is applied
²
Check the USB port if the relay is connected with USB power
²
Check the battery healthy voltage if the relay is powered with battery power.
Relay Does Not Accept The Password
Siemens recommends proceeding as follows:
²
The password entered is wrong. Enter the correct password.
²
If correct password is forgotten, note down the numeric code displayed at the Change Password screen.
²
To retrieve the password, communicate this numeric code to a Siemens customer representative.
PROT. HEALTHY LED and TRIP READY LED OFF/LCD Not Displaying
Siemens recommends proceeding as follows:
²
In the absence of auxiliary voltage, check the minimum phase currents.
²
Check the error messages and the error codes under IRF in the INSTRUMENT MODE.
Binary Inputs Do Not Work
Siemens recommends proceeding as follows:
²
Check that the correct DC voltage is applied and that the polarity is correct.
²
Check that the binary input settings such as the pick-up and drop-off timers and the status inversion func-
tion are correctly set.
²
Check the relay mode (Local or Remote) and binary input mode (Local or Remote) configured in the
settings.
Low/Critical Battery Indication
Siemens recommends proceeding as follows:
²
Check the paper strip between the battery clip and battery.
²
Check if the battery is connected with the proper polarity.
²
Check the battery healthy voltage.
Additional Support
If these measures do not lead to the desired result, the support team will help you. Please contact the local
Siemens office or contact customer support:
Phone: +49 180/524 7000 (24hrs)
Fax: +49 180/524 2471
E-mail support.energy@siemens.com
²
Keep the device serial number to hand for the support team.
²
Read out the version of the installed firmware.
²
Read the device related log (settings files, fault records, event records, IRF statuses) of 7SR45 device with
Reydisp so that the support employee has all the necessary information.
8.4
Device Maintenance
8.4 Troubleshooting
94 Reyrolle, Operating, Manual
C53000-B7040-C101-1, Edition 08.2020
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