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9
Troubleshooting
The troubleshooting does not explain the causes of all the malfunctions which occur on the gas monitor.
This simply helps to find the causes of malfunctions which frequently occur. If the gas monitor shows a
symptom which is not explained in this manual, or still has malfunctions even though remedial actions are
taken, please contact RKI.
<Abnormalities on Unit>
The power cannot
be turned on.
The battery level is too
low.
Li-ion battery unit: Recharge the batteries in a
non-hazardous area.
Dry battery unit: Replace all the three dry batteries with
new ones in a non-hazardous area.
The power switch was
not pressed long enough.
For power-on, keep the POWER switch pressed until a
beep is heard (about two seconds).
Improper installation of
the power supply unit
Check whether the power supply unit is properly
attached to the main unit.
Disturbances by sudden
surge noise, etc.
Turn off and restart the gas monitor.
Key operations are
disabled.
Disturbances by sudden
surge noise, etc.
In a non-hazardous area, remove the battery unit once,
and reinstall the battery unit, and turn on the power to
perform operations.
System
abnormalities
FAIL SYSTEM
A circuit abnormality
occurred.
System
abnormalities
FAIL SYSTEM
Error No.000
Abnormalities of internal
ROM
Abnormalities of internal
RAM
Abnormalities of internal
FRAM
Abnormalities of internal
FLASH
Sensor
abnormalities
FAIL SENSOR
Replace the sensor.
(Only at power-on, press the RESET switch to continue
the operation using only the normal sensors to detect
other gases.)
A low battery
voltage alarm is
displayed.
FAIL BATTERY
The battery level is low.
Li-ion battery unit: Turn off the power and recharge it in a
non-hazardous area.
Dry battery unit: Turn off the power and replace the dry
batteries with new ones in a non-hazardous area.
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