FAQ No. FAQ02059
Question
The Relay does not operate even when voltage is applied. Why is this?
Answer
The following causes are the possible causes.
1.Disconnected Coil
Ultrasonic cleaning or applying an overvoltage may cause the coil to
become disconnected.
2.Insufficient Coil Voltage
Check the voltage being applied to the coil. The Relay will not operate if
the voltage is lower than the must-operate voltage.
3.Incorrect Polarity of Applied Voltage
A Relay equipped with a diode that absorbs coil counter-electromotive
force will not operate properly if the positive and negative voltages
applied to the coil are connected incorrectly.
Other General-purpose Relay
FAQs
 The Relays operates but there is no contact continuity. Why is this?
What is the contact form?
Is there any problem applying 200 VAC to a coil with 100-VAC specifications?
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