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Troubleshooting
○Troubleshooting
Applicable pressure switch: ZSE20B(F)/ISE20B
When any failure occurs with this product, the following chart can be used to identify the cause of the failure.
If a cause applicable to the troubles cannot be identified and normal operation is recovered by replacement
with a new product, this indicates that the product itself was faulty. Problems with the product may be due to
the operating environment (installation etc). Please consult SMC.
The pressure switch
does not operate
normally.
Yes
No
The switch output does
not turn OFF.
The switch output
stays OFF.
The switch output
generates chattering.
The switch output
response is slow.
The operation light
does not operate
correctly.
Analog
output Is not provided
(specified accuracy is
not satisfied)
Error is displayed.
-74-
The operation light is
ON.
The operation light is
OFF.
The operation light is
ON.
The operation light
stays OFF.
Refer to Trouble No.1
Product failure
Refer to Trouble No.2
Product failure
Refer to Trouble No.1
Refer to Trouble No.3
Refer to Trouble No.4
Refer to Trouble No.5
Product failure
Refer to Trouble No.6
Refer to Trouble No.7
No.PS※※-OMU0006-F
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