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10．Trouble shooting
When your device has any problem, please refer to the following particulars and solve it by
yourselves first. If the device does not recover to normal after those confirmations listed
on the right below have been done, please kindly contact Matsushima.
Contents
Cause thinkable
Items to confirm
Power LED and
Other LEDs
are off.
・Power is not supplied.
･Power specification is changed from the
ordered specification.
・CPU abnormal.
・Confirm power line is wired
to Terminal AC.
If not supplied, supply power.
・Confirm the voltage on name plate
of Transducer is the same as the
supplied power.
If it is different, return us
Transducer, then the power spec.
will be changed at out site.
・Power OFF, then ON.
Output
Direction is
unstable.
・Warm up operation after setup is not complete.
・Grounding is not provided.
・The wiring between Sensor and Transducer is
either off or wrong.
・Material sticking on Probe electrode.
・Probe electrode has dew condensation.
・A tiny amount of material is flowing.
・Make warm up operation for 1 hour
and check output again.
・Confirm D class grounding
(100ohm or less) is done.
・Confirm wiring of exclusive
cable.
(See Page 6, 5.How to connect.)
If wiring is wrong, rewire
correctly.
・Remove Sensor and check if any
sticking on Probe electrode.
If yes, power off and wipe them
off with moist cloth. (See NOTE)
・Remove Sensor and check if Probe
electrode has dew condensation.
If yes, power off and wipe it
off with moist cloth. (See NOTE)
・Check if an applicable amount
is flowing. If necessary,
change the measurement range and
integral setting.
Output indication
goes off scale and
does not recover.
・Duct or pipe is short-circuited with Probe
electrode due to the sticking material.
・Probe electrode has dew condensation.
・Probe electrode is in contact with pipe inside
(GND).
・ Device is in trouble.
・A large amount of material is flowing.
・CPU abnormal.
・Remove Sensor and check if any
sticking on Probe electrode.
If yes, power off and wipe them
off with moist cloth.（See NOTE）
・Confirm if Insulation is inserted
more than 10mm into Duct or Pipe.
Insulation should be extended
if necessary. (See NOTE)
・Remove Sensor and check if Probe
electrode has dew condensation.
If yes, power off and wipe it
off with moist cloth. (See NOTE)
・Measure inside diameter and
Probe electrode length and check
if they are not in contact.
If yes, change electrode length.
(See NOTE)
・Consult with Sales Dept. to
check the soundness of Device.
・Check if applicable amount of
material is flowing.
Shorten Probe electrode if
necessary. (See NOTE)
・Power OFF, then ON.
Table 1. Trouble shooting
