Riken Keiki PT2-161, Руководство по эксплуатации

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9 Troubleshooting
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9
Troubleshooting
The Troubleshooting does not explain the causes of all the malfunctions which occur on the detector. This
simply helps to find the causes of malfunctions which frequently occur. If the detector shows a symptom
which is not explained in this manual, or still has malfunctions even though remedial actions are taken,
please contact RIKEN KEIKI.
<Abnormalities on Unit>
Symptom/Display FAULT Causes Actions
The power cannot
be turned on.
—
The wiring is not
correct.
Connect the wiring properly.
The terminal plate is
removed.
Connect the terminal plate properly.
Abnormalities/mome
ntary blackout of
power supply system
Provide the rated voltage.
Take measures such as checking or adding the
UPS, power supply line filter and insulation
transformer.
Cable abnormalities
(open circuit/not
connected/short
circuit)
Check the wiring of detector and related devices
around it.
Abnormal
operations
—
Disturbances by
sudden surge noise,
etc. Turn off and restart the detector.
If such a symptom is observed frequently, take
appropriate measures to eliminate the noise.
Sensor
abnormalities
E-1
●
The sensor is not
connected or
improperly
connected.
Check if the sensor cable is securely fastened to the
terminal plate.
Zero drift caused by
environmental
changes or aging
deterioration is out of
the range of zero
follower.
Perform zero adjustment. If the symptom persists
after the zero adjustment, replace the sensor with a
new one.
Faults of the sensor Replace the sensor with a new one.
System
abnormalities
E-9
●
The rated voltage is
not supplied to the
detector.
Check the power supply, and supply the rated
voltage.
Abnormalities of
ROM, RAM or
EEPROM inside of
the detector
Please contact RIKEN KEIKI.