P341/EN O/B11 Operation Guide
CHAPTER 4 Problem Analysis
Page 6/8 MiCOM P341
Test Check Action
Other error codes will relate to
software errors on the main
processor board, contact ALSTOM
T&D P&C Ltd.
Table 3: Power-up self-test error
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 (110V VTs
fitted)
7 The VT type field in the model
number is incorrect (440V VTs
fitted)