Performing Led Lamp Test - Mitsubishi Electric melpto d series Operation Manual

Numerical protection relay
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D - 5

Performing LED lamp test

This option is used to carry out forced illumination of all the LEDs located on the front panel.
Step
Description
1
The setting mode starts. The
SETTING/CANCEL indicator LED comes
on and the item number blinks.
2
Mode selection (Setting
Operation
Option)
See the section D – 1 for how to select
mode.
3
Select the item number "906" (LED lamp
test).
4
Make sure that the item number "906" is
shown in the box, and press the
SELECT/SET switch. The item data box will
start blinking, instead of the item No. box,
so that data can be changed.
5
Change the item data from "NO" (not test)
to "YES" (test).
6
Make sure that the desired data is shown in
the item data box, and press the
SELECT/SET switch to program the data.
With the "YES" data, the SET.END/TRIP
indicator LED will blink.
At the same time, the item number box will
start blinking instead of the item data box.
Note that the test will not start only by
programming the data here.
Switch
SETTING/
CANCEL
Forced
UP
SELECT/SET
UP
SELECT/SET
Operation
Press
Once
-
Item No.
Once
9
Item No.
Once
9
Once
31
Indication
Item No.
Item data
5
1
1
2.
S E T T IN G /
U P
C A N C E L
D O W N
S E L E C T /
S E T
IN D ./
IN D I.E N D
S E T .E N D /
T R IP
R E S E T
Item No.
Item data
8
0
0
Item No.
Item data
9
0
6
n
o
Item data
0
6
n
o
Item data
0
6
Y
E
S
Item No.
Item data
9
0
6
Y
E
S
S E T T IN G /
U P
C A N C E L
D O W N
S E L E C T /
S E T
IN D ./
IN D I.E N D
S E T .E N D /
T R IP
R E S E T
JEP0-IL9416
0
5

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