Troubleshooting - Nagano Keiki GC31 Instruction Manual

14. Troubleshooting

Phenomena
No display
No output
After applying pressure,
pressure display and
output of the applied
pressure do not
change. (It remains
zero point)
Pressure display and
output of the applied
pressure conflict with
the value of actual
applied pressure.
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Possible cause
An error in wiring?
Is supply voltage
correct?
Pressure leak from
fitting part?
Is applied pressure too
small?
Is zero point off?
Is the pressure display
mode selected?
Is [Analog scaling]
set?
Is the setting value of
comparator output
correct?
Foreign material
inside piping?
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TY-GC31-004A
Actions
Perform wiring correctly following the
connection instructions.
Perform piping correctly following the
mounting instructions.
Check the applied pressure and use
another pressure gauge whose pressure
range is suitable for the applied pressure.
Follow the instructions of [Zero point
adjustment mode] to adjust zero point.
Follow the instruction of [Function setting
mode] and select the pressure display
mode in [Display selection].
Follow the instructions of [Function setting
mode] and check the set value in [Analog
scaling].
Follow the instructions of [Function setting
mode], [Selection of comparator operation]
and [Comparator setting mode], check the
setting values of comparator operation
point and delay time.
Clean up piping and remove the foreign
material.
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Rev.B