G36
Oxygen Analyzer
Version 2.11 - March 2022 39
10 Troubleshooting
Troubleshooting should always be carried out by trained personnel. The
G
36
Oxygen Analyzer is connected to hazardous electric voltages, which
can cause personal injury or mechanical damage if not handled correctly
and in accordance with normal safety regulations.
→Check the circuit breaker
→Check power supply – the power supply needs to be at correct
voltage
→Check fuse inside the analyzer
No display despite power sup-
ply and fuse are found OK
The analyzer is defect →Reboot, repair, or exchange the ana-
lyzer
Display only indication 0.0
No signal from sensor → Check connection both at the analyzer
and sensor; Then wait for several minutes, re-plug the sensor, or
restart the analyzer
Check sensor temperature in Information Menu, see section
0. If the sensor temperature could not reach its operating tem-
perature before it starts working, the sensor’s diagnostic status
will show OK, but the display only indicates 0.0 → Check if the
sample flow is too high. Try to take the sensor out of the sensor
house and let it hang in the ambient air to see if the sensor tem-
perature can reach its operating condition.
Incorrect indication of oxygen
level
→Try to recalibrate the analyzer
→Try artificial calibration if normal calibration is not working,
see section 8.2
→Check the sensor’s diagnostic status and temperature in In-
formation Menu, see section 0. Check sensor connection, or re-
place the sensor if it is defect
Incorrect remote display and
recording
There might be a mismatch in the output range of the analyzer
and the input range of the remote system
→Check and correct output signal settings, see section 0.
No trend curve
Graph Menu may be frozen
Y-limits is set too low → reset Y-limits, see section 6.2
X-timing is set too high → restart the analyzer, reset X-timing,
see section 6.2
→Calibrate the touch panel, see section 6.5
No data log
No historical trend curve
→Check if the SD card is in position.
→If yes, check the SD card’s lock mode. The lock button
should always be in the unlock position.
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