Riken Keiki CO-03, Руководство по эксплуатации

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32
8
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 RIKEN KEIKI.
Symptoms Causes
Actions
System
abnormalities
SYSTEM FAIL A circuit
abnormality
occurred. Request RIKEN
KEIKI for repair.
Sensor
abnormalities
SENSOR FAIL A sensor has
failed. Request RIKEN
KEIKI for repair.
A low battery
voltage alarm is
displayed.
BATTERY FAIL The battery level
is low. Turn off the power
and replace the dry
batteries with new
ones in a
non-hazardous
area.
Fresh air
adjustment
cannot be
performed.
AIR FAIL Fresh air is not
supplied around
the gas monitor. Supply fresh air.
Span
adjustment
cannot be
performed.
O2 FAIL Span calibration
gas with
appropriate
concentration is
not supplied. Supply span
calibration gas with
appropriate
concentration.
Clock
abnormalities
CLOCK FAIL Abnormalities of
the internal clock Make a setting of
Date/Time. If such
a symptom is
observed
repeatedly, the
built-in clock is
seemingly
malfunctioning.
The gas monitor
is left for a long
time with the
batteries
removed (or with
dead batteries).