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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
Power LED and
・Power is not supplied.
Other LEDs
are off.
･Power specification is changed from the
ordered specification.
・CPU abnormal.
Output
・Warm up operation after setup is not complete.
Direction is
unstable.
・Grounding is not provided.
・The wiring between Sensor and Transducer is
・Material sticking on Probe electrode.
・Probe electrode has dew condensation.
・A tiny amount of material is flowing.
Output indication
・Duct or pipe is short-circuited with Probe
goes off scale and
does not recover.
・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.
Table 1. Trouble shooting
either off or wrong.
electrode due to the sticking material.
Items to confirm
・Confirm power line is wired
to Terminal AC.
If not supplied, supply power.
・Confirm the voltage on name plate
・Power OFF, then ON.
・Make warm up operation for 1 hour
・Confirm D class grounding
・Confirm wiring of exclusive
cable.
・Remove Sensor and check if any
sticking on Probe electrode.
If yes, power off and wipe them
・Remove Sensor and check if Probe
electrode has dew condensation.
If yes, power off and wipe it
・Check if an applicable amount
is flowing. If necessary,
change the measurement range and
integral setting.
・Remove Sensor and check if any
sticking on Probe electrode.
If yes, power off and wipe them
・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
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.
・Consult with Sales Dept. to
・Check if applicable amount of
material is flowing.
Shorten Probe electrode if
・Power OFF, then ON.
- 12 -
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.
and check output again.
(100ohm or less) is done.
(See Page 6, 5.How to connect.)
If wiring is wrong, rewire
correctly.
off with moist cloth. (See NOTE)
off with moist cloth. (See NOTE)
off with moist cloth.（See NOTE）
electrode has dew condensation.
If yes, change electrode length.
(See NOTE)
check the soundness of Device.
necessary. (See NOTE)
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