37
Switch
5.1.2
If the switch does not operate properly, check the table below for a possible solution.
Problem
Cause
Solution
Switch turns on but
indicator does not
blink.
Contact is welded.
Replace the switch.
Rating of load is exceeded.
Replace with recommended relay or replace
switch.
Indicator is damaged.
Replace the switch.
External signal is faulty.
Check the external circuit.
Switch does not turn
on.
Cables are disconnected.
Replace the switch.
External signal is faulty.
Check the external circuit.
Voltage is wrong.
Use specified voltage.
Installation position is different.
To a normal position.
Mounting position is shifted.
Correct deviation and tighten (Note 1).
The direction of the switch is reversed.
Make it normal.
Load (relay) cannot respond.
Replace to recommended relay.
Rating of load is exceeded.
Replace with recommended relay or replace
switch.
Cylinder speed is too high for intermediate
position detection.
Lower the speed.
Switch does not turn
off.
Piston is not moving.
Move the piston.
Contact is welded.
Replace the switch.
Rating of relay is exceeded.
Replace with recommended relay or replace
switch.
Ambient temperature is not appropriate.
Use the switch at an ambient temperature of
−5°C to 60°C.
Magnetic field is nearby.
Install a magnetic shield.
External signal is faulty.
Check the external circuit.
Note 1: Tighten the fastening screw (set screw) of the switch with proper torque.
Tighten the T2, T2W, T3, T3W, T0, T5 switches using a flat-blade screwdriver (watch screwdriver, precision screwdriver,
etc.) with a grip diameter of 5 to 6 mm, a tip shape width of 2.4 mm or less and a thickness of 0.3 mm or less Tighten with
torque 0.1 to 0.2 N · m.
Tighten the T2J, T2Y, T3Y, T2YD, T1, T8 switches at 0.5 to 0.7 N · m. Tighten the F2, F3, F2Y and F3Y switches at 0.03 to
0.08 N · m.
For other unclear points, please consult your nearest sales office or distributor.
