19
10.
Trouble Alarm
•
The product has a self-inspection function, and the trouble alarm will operate if a problem
occurs.
•
The product will inform the user of the problem details with the display shown in the
following table when the trouble alarm operates.
•
When the trouble alarm is generated, the analog signal will be approximately 0.9 mA or
below.
Screen
display
Trouble
indicator
Problem
details
Probable cause
Remedy
Yellow lamp
flashes
Power supply
voltage drop
error
The power supply voltage
is low.
Check the power supply
voltage.
The sensor connector is
disconnected or the
sensor wire has broken.
Check that the sensor
and the sensor connector
are securely connected.
Yellow lamp
flashes
Sensor
Zero error
The sensor output is low.
Make the zero point
adjustment with the gas
doesn't lie between air
around the equipment.
Lamp is
OFF
Zero-point
adjustment
error
There is gas in the
ambient air.
After checking the
ambient air, make the
zero adjustment again.
After checking the type
and concentration of gas,
make a span adjustment
again.
Lamp is
OFF
Span
adjustment
error
The gas concentration
applied for adjustment is
wrong.
If the type and
concentration of gas is
suitable, make span
rough adjustment.
•
If a screen other than the above is displayed, refer to the
12. Troubleshooting
section. If
the product does not reset to normal operation after taking the measures shown in the
table or if the problem is not listed in the table, contact your local representative.
•
If the product goes into any unintended mode during adjustment or setting, cease
operating the product and contact your local representative..
