Troubleshooting
P846/EN TS/D
MiCOM P846
(TS) 12-7
TS
6.
ERROR CODE DURING OPERATION
The relay performs continuous self-checking. If an error is detected then an error message
will be displayed, a maintenance record will be logged and the relay will reset (after a 1.6
second delay). A permanent problem (for example due to a hardware fault) will generally be
detected on the power up sequence, following which the relay will display an error code and
halt. If the problem was transient in nature then the relay should reboot correctly and
continue in operation. The nature of the detected fault can be determined by examination of
the maintenance record logged.
There are also two cases where a maintenance record will be logged due to a detected error
where the relay will not reset. These are detection of a failure of either the field voltage or
the lithium battery, in these cases the failure is indicated by an alarm message, however the
relay will continue to operate.
If the field voltage is detected to have failed (the voltage level has dropped below threshold),
then a scheme logic signal is also set. This allows the scheme logic to be adapted in the
case of this failure (for example if a blocking scheme is being used).
In the case of a battery failure it is possible to prevent the relay from issuing an alarm using
the setting under the Date and Time section of the menu. This setting ‘Battery Alarm’ can be
set to 'Disabled' to allow the relay to be used without a battery, without an alarm message
being displayed.
Содержание MiCOM P846
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Страница 5: ...Safety Section P846 EN SS H11 SS SAFETY SECTION...
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Страница 16: ...P846 EN IT D Introduction MiCOM P846 IT...
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Страница 26: ...P846 EN TD D Technical Data MiCOM P846 TD...
Страница 38: ...P846 EN GS D Getting Started MiCOM P846 GS...
Страница 58: ...P846 EN ST D Getting Started MiCOM P846 ST...
Страница 60: ...P846 EN ST D Settings ST 4 2 MiCOM P846 ST...
Страница 78: ...P846 EN OP D Operation MiCOM P846 OP...
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Страница 106: ...P846 EN AP D Application Notes MiCOM P846 AP...
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Страница 122: ...P846 EN AP D Application Notes AP 6 16 MiCOM P846 AP...
Страница 124: ...P846 EN PL D Programmable Logic MiCOM P846 PL...
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Страница 144: ...P846 EN MR D Measurements and Recording MiCOM P846 MR...
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Страница 160: ...P846 EN FD D Firmware Design MiCOM P846 FD...
Страница 182: ...P846 EN CM D Commissioning MiCOM P846 CM...
Страница 228: ...P846 EN CM D Commissioning CM 10 46 MiCOM P846 CM...
Страница 230: ...P846 EN MT D Maintenance MiCOM P846 MT...
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Страница 238: ...P846 EN TS D Troubleshooting MiCOM P846 TS...
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Страница 252: ...P846 EN SC D SCADA Communications MiCOM P846 SC...
Страница 272: ...P846 EN SG D Symbols and Glossary MiCOM P846 SG...
Страница 280: ...P846 EN SG D Symbols and Glossary SG 14 8 MiCOM P846 SG...
Страница 282: ...P846 EN IN D Installation MiCOM P846 IN...
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Страница 293: ...Installation P846 EN IN D MiCOM P846 IN 15 11 7 P846 CASE DIMENSIONS Figure 3 Case dimensions IN...
Страница 295: ...Installation P846 EN IN D MiCOM P846 IN 15 13 P1756ENa IN Figure 5 Model B with 32 output contacts and 24 digital inputs...
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