ILLUSTRATION 11 – TROUBLESHOOTING GUIDE 2
PROBLEMS POSSIBLE CAUSES POSSIBLE SOLUTIONS
The opening The opening coil is broken or damaged. Check the opening coil circuit.
command is not
The capacitor bank is not connected. Check the capacitor bank circuit.
performed.
No external opening input is connected. Verify opening input is wired.
The jumper JP1001 used on input number If protection relay input is being
4 is not properly set. used JP1001 must be set for
pins 1 & 2.
The Under Voltage (UV) function is not Set the correct UV
enabled. Threshold.
The control panel is either damaged or not Verify the control panel
connected correctly. connections or change if
damaged.
The CB closes The close position sensor is not connected Verify the close position sensor
and then opens or broken. circuit.
during a close
The CB doesn’t reach the correct close Verify the presence of unwanted
operation.
position. objects under the Magnetic
Actuator Plunger.
The CB opens if the The UV function is active and Either disable the UV
auxiliary supply is the auxiliary supply is parallel to this input. function or connect to a different
switched off. voltage source.
The Energy Failure Autotrip function is If possible, disable the function
enabled. via I1004-1.
All the indication The Voltage on the Capacitor bank is under Connect the auxiliary supply
output contacts 46 VDC. voltage.
are open.
If it happens immediately when the supply Check the capacitor bank circuit.
voltage is switched off and the Ready LED
is immediately turned off.
Page 43
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