Chapter 1 - 7SR45 Description of Operation
©2018 Siemens Protection Devices Limited Chapter 1 Page 22 of 48
2.10 Alert Screen
2.10.1 Fault Alert (Trip Alert)
When any fault is detected by the relay, LCD pops-up the fault alert. Any previous alert pop-up messages are
updated or replaced by the latest message.
2.10.2 Alarm Alert
Alarm alert appears when any binary input is configured for general alarm and it is triggered.
2.10.3 Info Alert
Info alert displays the required information to the user. Info alert will appear for 2 seconds and the alert
disappears automatically.
Table 2-2
Info Alert
Info Alert
Description
This alert appears during the edit mode and the edited parameter value blinks
on the LCD. After 15 s of inactivity time, the edited value of the parameter will
be discarded.
This alert appears when the fault flags are reset and LED test is performed.
This alert appears when the fault flags are reset.
This alert appears when reset of the fault flag is failed due to the presence of
fault current and the fault persists.
This alert appears when reset of the fault flag is failed due to the presence of
fault current or due to the presence of a BI signal during maintenance.
This alert appears when the user connects to the USB host.
Enter the password twice for confirmation or changing a password. This alert
message appears when the password does not match with the previously
typed password.
This alert appears when the password entered by the user contains any
special characters other than “+” and “-“or “/” when changing the password.
This alert appears when the user selects to clear the fault or event records
and the operation is successful.
This alert appears when the relay is powered on in the battery mode.
This alert appears when the relay goes to sleep mode.
This alert appears when there is insufficient energy to perform the following
actions:
•
Turn on backlight
•
To operate or reset the binary outputs
This alert appears when the user selects to clear the fault records without
acknowledging the latest fault by resetting the flag.
This alert appears when the relay is powered by phase CT.
This alert appears when the relay is powered by auxiliary power supply.