Troubleshooting
68
MAXILYZER NG Plus
15 Troubleshooting
Repair work may only be performed by qualified, specially trained
staff.
Table 8: Troubleshooting
Problem
Possible reason
Remedy
Battery empty.
Charge battery.
Device auto-
matically
switches off.
Automatic Off acti-
vated
Set Automatic Off to 0,
see chapter „" – Auto
Off", page 60.
Service life of O
2
sensor expired.
Run device without ac-
cessories in fresh air.
O
2
error mes-
sage.
Temporary signal
error.
Take device to service
centre.
CO sensor mal-
function.
CO measuring
range exceeded.
Run device without ac-
cessories in fresh air.
"CO value too
high"/“CO
sensor defec-
tive“ message.
End of service life
of sensor.
Take device in for
servicing.
Incorrect
measured gas
values (e.g.
measured O
2
value too high,
CO
2
value too
low, no CO
values dis-
played, etc.).
Leak in measuring
system.
Check gas treatment
system for cracks and
other damage.
Check hose system for
cracks and other dam-
age.
Check O rings of gas
treatment unit.
Check O ring of external
probe pipe.
Service mes-
sage.
Device has not
been inspected for
a longer period.
Take device in for ser-
vicing.
Filter in the gas
treatment system is
used up.
Check filter and replace,
if necessary.
Measured gas
values are
displayed
slowly.
Hose system bent.
Check hose system.
