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Chapter 8: Troubleshooting
8. Troubleshooting
PROBLEM
The display does not turn on.
The display is "On" but no message is
displayed.
Incorrect
displaying
of
the
current reading.
The ground current is not displayed.
CURRENT PROTECTION RELAY - IPR-D
SOLUTION
1. Check the power supply to the
auxiliary terminals.
2. Check that the power supply voltage
is the same as the one indicated on
the plate (on the back of the relay).
1. Check that the power supply voltage
is the same as the one indicated on
the plate (on the back of the relay).
ground
1. Measure the current input in the
terminal of IPR-D by using a clamp
meter.
2. Check that the CT primary current
has been correctly entered and
stored in Setpoint Page 2.
3. Check the CT connections
1.
Check that the active ACTUAL
VALUES PAGE is the correct one.
8.1
REFERENCE
Wiring diagram
Wiring diagram
Page 2 of Setpoint
Wiring diagram
Actual values 1
Manual P/N: IPR-D GBM 01/09/2006
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