RKI Instruments RI-600, Руководство оператора

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56
9
Troubleshooting
This Troubleshooting guide does not explain the causes of all malfunctions which may occur on the
monitor. This simply helps to find the causes of the monitor’s most frequent malfunctions.
If the monitor shows a symptom which is not explained in this manual or still has malfunctions even after
remedial actions are taken, please contact RKI.
Symptom/Display Causes Actions
The power cannot
be turned on.
The power switch is
turned off.
Turn on the power switch.
Abnormalities/momentary
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.
The main unit is not
installed properly.
Check whether the main unit is properly attached
to the wall-mounted unit.
Cable abnormalities (open
circuit/not connected/short
circuit)
Check the wiring of the monitor and related
devices around it.
Fault in AC adapter.
AC adapter replacement is necessary.
Please contact RKI.
The connector of AC
adapter is not
connected correctly.
Correct the AC adapter connection.
Abnormal
operations
Disturbances by sudden
surge noise, etc.
Turn off and restart the monitor.
If a symptom like this is observed frequently, take
appropriate measures to eliminate the noise.
Sensor
abnormalities
E-1
The sensor is not
connected or is improperly
connected.
Confirm that the sensor is connected and that the
sensor unit board’s connectors are securely
fastened.
Errors in communication
with the unit
Replace the sensor unit board with a new one.
System
abnormalities
E-9 SYSTEM
The rated voltage is not
supplied to the monitor.
Confirm that the power supply is providing the
rated voltage.
Abnormalities of ROM,
RAM or EEPROM inside
the monitor
Please contact RKI.
The reading drops
and does not
recover.
Sudden change in the
temperature and CO2
concentration
Please use it in the stable environment that does
not experience rapid change in temperature or
CO2 concentration.
Disturbance by noise
Turn off and restart the monitor.
If a symptom like this is observed frequently, take
appropriate measures to eliminate the noise.
Span adjustment
impossible
Improper calibration gas
concentration
Use the proper calibration gas.
Deteriorated sensor
sensitivity
Replace the sensor with new one.