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6.2 GENERAL RELAY TESTS
6.2 GENERAL RELAY TESTS
The LPS-D Status is reported through the LUI, the non-critical alarm contact, and the critical alarm contact. If a
system error causes relaying functions to cease, the status LED turns red and the critical alarm contact closes.
A failure that does not interrupt relaying closes the non-critical alarm and displays a FAIL or WARN message
on the LUI.
If a STATUS error is detected, see Chapter 11: ALPS-LINK USER GUIDE or Chapter 12: ASCII COMMUNICA-
TIONS for further information.
1. Apply rated DC power and wait for initialization to complete, as indicated by a green status LED.
2. Press the [INF] key, then scroll with the arrow keys until the following item is displayed.
1. STATUS
3. Press the [ENT] key. The display should contain
STATUS OK
which means that the relay is operational and all self-tests pass.
The LUI Test is built into the software and allows testing the keypad and the display.
1. Apply rated DC power and wait for initialization to complete, indicated by the green status LED.
2. Press the [ACT] key, then scroll with the arrow keys until the display contains the heading,
7. LUI TEST
3. Press the [ENT] key.
4. Select 1. Display and press the [ENT] key.
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5. Check that the display has two rows filled completely with rectangles and press the [ENT] key. The display
changes to the last two rows filled with rectangles. When the display has been checked press the [ACT]
key. If any other key is pressed the display will not return to the LUI Test menu.
6. Use the arrow keys to select
2. LEDs
and press the [ENT] key. Each LED will change. Press [ENT] after verifying each LED state. When the test
is finished the LUI Test menu will be displayed.
7. Use the arrow keys to select
3. KEYBOARD
and press [ENT]. A map of the key board will be displayed on the screen.
8. At this point the LUI is in the keyboard test. Press every key on the keypad, except for the [CLR] key. As
you press each key, verify that the display indicates the key that was pressed. For example, pressing the
up arrow is indicated on the displayed by the up arrow flashing. The display corresponding to the other
keys is the legend that is on printed the key itself.
9. When all the keys have been checked, press the [CLR] key.
10. When the test is completed, press the [END] followed by the [ENT] key. Press the [CLR] key to clear the
message. This ends the LUI Test.
6-
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6 FUNCTIONAL TESTS (USER SETTINGS)
LPS-D Line Protection System
6.2.1 T1 – LUI RELAY STATUS
6.2.2 T2 – LUI DISPLAY TEST
GE Power Management
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