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8 Abnormal conditions
8-1 Fault signals
RI-2000R will provide a trouble (fault) alarm and operate as following when it detects
trouble by self-diagnostics.
1. Indications: POWER lamp will flash
2. Output signals
1. 4-20mA output: 0.5mA
2. Fault signal contact: fault signal will be put out
Indication
Susceptible causes
What to do
FAIL SYSTE
There is trouble in the system.
Reboot RI-200R. Please contact your nearest
agent if the system does not return.
FAIL SENSOR
The sensors connector may have been
loosen or the sensor may has trouble.
Check the connections and please
repair/reconnect them. Contact your nearest
agent if you cannot find the failure part.
FAIL LAMP
The lamp’s life has ended or there is
trouble in the lamp.
Please contact your nearest agent if the system
does not return.
FAIL HEATER
The heater’s connector may have been
loosen, has trouble or the life has ended.
Check the connections and please
repair/reconnect them. Contact your nearest
agent if you cannot find the failure part.
FAIL MOTOR
The motor’s connector may have been
loosen, has trouble or the life has ended.
Check the connections and please
repair/reconnect them. Contact your nearest
agent if you cannot find the failure part.
FAIL FAN
The fan’s connector may have been
loosen, has trouble or the life has ended.
Check the connections and please
repair/reconnect them. Contact your nearest
agent if you cannot find the failure part.
FAIL ZERO
Contamination the sample is accumulated
inside the instrument.
Adjust the zero point (zero calibration). Please
contact your nearest agent if the instrument
won’t recover from trouble after calibration.
Out of auto-zero tolerance.
Adjust the zero point (zero calibration). Please
contact your nearest agent if the instrument
won’t recover from trouble after calibration.
The environments temperature has
changed too rapidly.
Please put something between RI-2000R and
the heat source. The zero point will shift if there
are heat sources near RI-2000R.(e.g. Sunlight,
other instruments)
FAIL FLOW
Flow rate has bone low because of pump
deterioration or, the line is blocked.
Adjust the flow rate.
