Chapter 2 Alarm
2.1.27 9003 SPD-C Broken
Alarm Property
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Alarm Code: 9003
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Alarm Information: The class C arrester loop is faulty.
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Alarm Level: Minor
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Alarm Type: Equipment Alarm
Sub-code Description
None
Effect on the System
The lightning protector fails.
Possible Causes
1.
The lightning protector is damaged.
2.
The air break switch of the lightning protector is disconnected.
3.
The lightning protector's base is of bad contact.
4.
The lightning protector's detecting cable is disconnected or of bad contact.
5.
The monitoring unit's socket is of bad contact or disconnected.
6.
The monitoring unit is faulty.
Handling Procedure
1.
The lightning protector is damaged. Replace the lightning protector;
2.
Check whether the lightning protector's air break switch is closed;
3.
Check whether the lightning protector's base is of bad contact;
4.
Check whether the contact of the lightning protector's base is disconnected or of bad
contact;
5.
Check the monitoring unit's connection;
6.
Replace the monitoring unit.
2.1.28 9004 SPD-D Broken
Alarm Property
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Alarm Code: 9004
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Alarm Information: The class D arrester loop is faulty.
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Alarm Level: Minor
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Alarm Type: Equipment Alarm
Sub-code Description
None
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SJ-20111008094748-008|2012–05–30 (R1.1)
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