SMC Networks EX250-SEN1, Руководство по эксплуатации

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No.EX##-OMK0004-A
Trouble No.8
Trouble Possible cause Investigation method of cause Remedy
Check that the power supply cable for the
solenoid valve and output is not broken,
and that the connection between the power
supply cable and connector has not
loosened.
Review the connection
condition of the power supply
cable. (If the cable is broken,
replace it with new one.)
Incorrect wiring for the
power supply for
solenoid valve and
the power supply for
output
Check that there is no incorrect wiring of
the power supply cable. Review the wiring condition
of the power supply cable.
The SI unit
SOL_LED
goes off.
Failure of the power
supply for the
solenoid valve and
output
Check the supply voltage to the power
supply for the solenoid valve and output.
Supply 24 VDC +10%/-5% to
the power supply for the
solenoid valve and output.
Trouble No.9
Trouble Possible cause Investigation method of cause Remedy
Check if the Earth terminal is grounded.
Provide grounding to
improve the noise resistance
of the reduced wiring system.
The SI unit
MS_LED goes
off.
Abnormal status of
the SI unit.
Check if the power supply line is in the
same route as the power line and/or high
voltage line
Separate the power supply
cable from the power line
and/or high voltage line and
restart the power supply of
the SI unit.
Trouble No.10
Trouble Possible cause Investigation method of cause Remedy
Check if the Earth terminal is grounded.
Provide grounding to
improve the noise resistance
of the reduced wiring system.
Abnormal status of
the SI unit.
Check if the power supply line is in the
same route as the power line and/or high
voltage line. Separate the power supply
cable from the power line
and/or high voltage line.
The red SI unit
MS_LED lights
up.
SI unit failure.
Replace the SI unit with a new one and
operate to check the normal operation
recovers.
Replace the SI unit with a
new one.
Trouble No.11
Trouble Possible cause Investigation method of cause Remedy
Check if the Earth terminal is grounded.
Provide grounding to
improve the noise resistance
of the reduced wiring system.
The red SI unit
MS_LED
flashes.
Abnormal status of
the SI unit.
Check if the power supply line is in the
same route as the power line and/or high
voltage line. Separate the power supply
cable from the power line
and/or high voltage line.