Appendix B: ERROR CODES & TROUBLESHOOTING
Code
Displayed
Code Definition
Possible Causes
Corrective Action
Flow
Error
Pump not drawing sample at
correct flow rate.
Blockage / kink in flue probe
hose.
Dirty or blocked filter(s).
Worn pump.
Check and rectify. See
Appendix A.
Replace filter(s). See
Appendix A.
Call Technical Helpline on
01293 530196 opt. 1
Sensor
Error
Oxygen sensor failed to
initialize
Flue probe connected to 716
prior to power up.
716 did not purge completely
from last sample.
Worn or defective oxygen
sensor.
Disconnect probe and
restart.
Purge for 20 minutes and
restart.
Call Technical Helpline on
01293 530196 opt. 1
Sensor
Error
Carbon monoxide sensor
failed to initialize.
Flue probe connected to 716
prior to power up.
716 did not purge completely
from last sample.
Worn or defective carbon
monoxide sensor.
Disconnect probe and
restart.
Purge for 20 minutes and
restart.
Call Technical Helpline on
01293 530196 opt. 1
Lo
bat
Low battery.
Battery needs to be charged. Charge battery. If the battery
won’t hold a charge, replace
the battery.
oFL
Overflow indication. The
pressure being measured is
outside the maximum
measurement capability.
Pressure being measured is
too high or low.
Pressure sensor damaged or
defective.
Remove pressure source.
Call Technical Helpline on
01293 530196 opt. 1
oFL
Overflow indication. The
temperature being measured
is outside the maximum
measurement capability.
Temperature being measured
is too high or low.
Remove pressure source.
oPEn
Unable to read thermocouple
(temperature).
Temperature probe not
connected to input.
Worn temperature sensor.
Connect temperature probe
to analyser.
Replace temperature probe
or flue probe.
36
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