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（3）System trouble
・When the program is troubled, “SYSTEM FAIL” will be shown.
・Buzzer will sound continuously.
・After “SYSTEM FAIL” is shown, it does not accept other than “Power off”.
（4）Sensor trouble
・When sensor is troubled, “FAIL SENSOR” is displayed and the measuring gas for the troubled
will be shown.
（Sensor for trouble detected at start-up time shall be shown.）
・Buzzer will sound continuously.
・After showing “FAIL SENSOR”, it does not accept other than “Power off”.
Power off available only by power key
F A I L S E N S O R
S A V E
Power off available only by power key
SYSTEM FAIL
＊Caution
When try to measure offer gas than the troubled, make power off once and re-start it.
After checking the start-up and error, move to the other sensor than the troubled.
