5 How to Operate
5-5. Description of operation (detection mode)
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NOTE
See "8. Troubleshooting" for remedial actions to fault display.
Negative value display
The "-0" display is shown when the zero level drops
to the negative (-) side by 10% or more of the full
scale.
WARNING
Accurate gas detection cannot be performed with the negative value display.
In this case, perform zero adjustment.
Fault Display
If a fault occurs on the detector, the fault detail is displayed on
the LCD.
(LCD display) (Fault detail)
E-9
System abnormalities
E-1
Sensor not connected/Sensor disconnection
E-5
Low flow rate (option)
