GE P444

Troubleshooting
P44x/EN TS/Hb
6
MiCOM P40 Agile
P442, P444 (TS) 11-
9
5 OUT OF SERVICE LED ILLUMINATED ON POWER UP
Test Check Action
1
Using the relay menu confirm
whether the Commission Test/Test
Mode setting is Enabled. Otherwise
proceed to test 2.
If the setting is Enabled then disable the test
mode and, verify that the Out of Service LED is
extinguished.
2
Select and view the last maintenance
record from the menu (in the View
Records).
Check for H/W Verify Fail this indicates a
discrepancy between the relay model number
and the hardware; examine the “Maint. Data”,
this indicates the causes of the failure using bit
fields:
Bit Meaning
0
The application type field in the model
number does not match
the software ID
1
The application field in the model
number does not match the software
ID
2
The variant 1 field in the model
number does not match the software
ID
3
The variant 2 field in the model
number does not match the software
ID
4
The protocol field in the model number
does not match the software ID
5
The language field in the model
number does not match the software
ID
6
The VT type field in the model number
is incorrect (110 V VTs fitted)
7
The VT type field in the model number
is incorrect (440 V VTs fitted)
8
The VT type field in the model number
is incorrect (no VTs fitted)
Table 4: Out of service LED illuminated