42
11
Troubleshooting
Symptom
Cause
Action
Poor O
2
gas regulation
Lid(s) are left open
Close lid(s)
Seals are damaged or missing
on lid(s)
Check the seals are intact
O
2
Concentration alarm
O
2
gas concentration more
than ±1% from setpoint
Allow system to stabilize by
closing all lids
O
2
Pressure alarm
No/wrong N
2
gas pressure to
system
Check N
2
gas supply, make sure
that pressure is stable at 0.5-1.0
bar.
If O
2
regulation is not needed,
set the O
2
regulator to OFF in
the menu to deactivate oxygen
regulation and abort the N
2
alarm
Gas Consumption
Symptom
Cause
Action
Gas consumption too high -
typically above
• 20 l/h for N
2
• 5l/h for CO
2
The coupling is connected to
the sample port
Remove the coupling and replace
the protection cap (see page
page 45 )
The sample connector has not
been fully released
Press down the ejector ring on
the connector to close the sample
port
CO
2
is decreasing and O
2
is increasing during gas
sampling.
G210 is emptied of gas
Turn off G210. Restart the G210.
Let gasses stabilize
Wrong gas concentration in
one chamber
Lid plug has been penetrated
more the 5 times
Replace lid plug
Touchscreen
Symptom
Cause
Action
Absent or erratic function of
operation buttons
Failure in the touchscreen
Replace touchscreen. Contact the
service representative
Missing pixel in touchscreen
Failure in the LED screen
Replace touchscreen. Contact the
service representative
Repeat closure and opening
of Android screen
Inconsistency between the
date and time on Android and
PC
Synchronize date and time on
G210 and PC. Restart K-Link.