5.0
DISPOSING THE INSTRUMENT
This instrument does not apply any harmful material as component parts. When the instrument is disposed, take an
appropriate method based on the local regulation.
6.0
TROUBLE SHOOTING
Trouble shootings mentioned below do not cover all the problems. The ones considered frequently occur are simply
indicated to help your research for cause and solution.
Symptoms
Causes
Solutions
Power does not turn ON.
No batteries.
Or, AC adaptor is not connected.
Polarity of the batteries is wrong.
Time to press the POWER Key is
short.
Put the batteries in.
Or, connect AC adaptor.
Put the batteries in correct
direction.
Keep pressing the POWER key
until the buzzer beeps.
Reading is not correct.
AIR CAL is not performed in a
correct way.
The selected “Measuring Gas” or
“Base Gas” is wrong.
Interference gas is included in the
sample gas.
A sudden pressure change occurs
at GAS IN, GAS OUT or REF. OUT.
The pressure at GAS IN, GAS OUT
or REF. OUT is not at atmospheric
pressure.
When the instrument samples
enough fresh air, stop the pump.
Then, press the AIR CAL key.
Select the correct “Measuring
Gas” and “Base Gas”. The target
gas that contains interference gas
cannot be measured.
Perform AIR CAL again.
Set GAS IN, GAS OUT and REF.
OUT under the atmospheric
pressure.
After performing AIR CAL, the
reading goes up even though any
gas is not fed.
Molecular attached to the
chamber inside or tubing inside
starts detaching.
The concentration in chamber
becomes high in fact.
Let the instrument sample enough
fresh air.
And confirm if it shows the AIR
CAL value.
