Measures To Be Taken For Any Operating Anomalies - ABB Emax E1 Installation And Service Instructions Manual

9.

Measures to be taken for any operating anomalies

The switch does not open when the opening button is pressed
The switch does not open when the YO operating release is tripped
The switch does not open when the YU minimum voltage release is tripped
The switch does not open when the protection relay release test is run
The switch does not shut when the close button is pressed
The switch does not shut when the YC closing coil is tripped
The closing springs cannot be loaded by the manual loading lever
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WARNING: Is lit and circuit-breaker's misoperation or nonoperation in your application could cause bodily in-
jury, property damage or is otherwise critical, remove the circuit-breaker immediately until it can be inspected
or repaired.
Model L6555
The closing springs cannot be loaded by the spring loading motor
The crank does not fi t in the moving part
The moving part does not rack into the fi xed part
The switch cannot be locked in the open position
The opening solenoid of the relay is not
inserted correctly
Warning that tripped relay has not been
reset
Auxiliary circuit power supply voltage too
low
Different power supply voltage from the
one indicated on the rating plate of the
releases
Operating circuit faulty
Screws for clamping loose wires and
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auxiliary circuits
Incorrect electrical connections in the
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power supply circuit
Damaged coil
Operating mechanism blocked
Key locked in open position
Circuit-breaker in intermediate position
between connected and test
Undervoltage release not energized
Shunt opening release permanently ener-
gized
Racking-in or out operation not carried out
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correctly
Locked control
Extraction crank inserted
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Switch in extracted position
Protection fuse tripped, spring-loading
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motor
Reduction gear fault due to automatic
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loading of springs
Movable part incompatible with the fi xed
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part
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Switch closed
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Faulty open lock
Possible causes
Apparatus
Doc. no.
Checks and remedies
Check that opening solenoid is connected
correctly
Press the mechanical pushbutton to reset
signal relay tripped
Measure the voltage: it must not be less
than 85% of the rated nominal coil voltage
Check the rating plate voltage of the
releases
Check connections, fuses, interlocks,
protection circuit-breakers and consent
contacts
Check tightness of the screws connecting
the wires
Check the connections with the corre-
sponding circuit diagram
Replace the coil
Operate by hand. If the fault persists
please contact ABB SACE
Unlock by inserting the key
Complete the insertion operation
Check the corresponding power supply
circuit and the power supply voltage
Check the power supply circuit
See paragraph 7.3
Contact ABB SACE
Extract crank
Turn switch to test or inserted position
Replace fuse
Replace reduction gear
Check that the movable part is compatible
with the fi xed part
Press the opening button and activate the
lock
Contact ABB SACE
Emax
1SDH000460R0002
Scale
Page No
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