®
MicroLim
Line Isolation Monitor
Section 6—Maintenance and Troubleshooting
Error Code
0.1
Test Voltage gain is high
0.2
Test Voltage gain is low
1.0
L1 gain is high
1.1
L1 gain is low
2.0
L2 gain is high
2.1
L2 gain is low
3.0
L3 gain is high
3.1
L3 gain is low
4.0
Low generator current
4.1
High generator current
5.0
No ground connection
6.0
Generator voltage is low
6.1
Generator voltage is high
8.0
Test impedance high
8.1
Test impedance low
9.0
Line ratio is high
9.1
Line ratio is low
9.2
Low line
9.5
L1L3 ratio high
9.6
L1L3 ratio low
9.7
Frequency out of tolerance ±1.5 Hz
9.8
Bad Analog/Digital converter
9.9
Bad Walsh divider
Table 4 Error Code Listing
Error Condition
© 1996 Federal Pioneer All Rights Reserved
Bulletin No. 43134-017-02
Action
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Connect ground wire
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Adjust governor on emergency power
generator, check the UPS or contact
the electrical utility
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