Appendix C Error Codes And Troubleshooting - TPI 707 Manual

Appendix C: ERROR CODES & TROUBLESHOOTING
The 707 analyzer will display certain codes to let you know of a malfunction.
Code
Displayed
Flo Pump not drawing sample at
correct flow rate.
Err
InIt Carbon monoxide sensor
failed to initialize.
CO
Err
Low battery.
Lo
bat
oFL Overflow indication. The car-
bon monoxide being mea-
sured is above the instru-
ments capability.
*Sensor replacement requires calibration gas.
34
Code Definition Possible Causes
Blockage / kink in flue probe
hose.
Dirty or blocked filter(s).
Worn pump.
Flue probe connected to 707
prior to power up.
707 did not purge completely
from last sample.
Worn or defective carbon
monoxide sensor.
Battery needs to be charged. Charge battery. If the battery
CO being measured is too
high or low.
Corrective Action
Check and rectify.
Replace filter(s).
Return to TPI for service.
Disconnect probe and
restart.
Purge for 20 minutes and
restart.
Return to TPI for sensor
replacement or install new
sensor.*
Try manually initializing the
sensor. See Appendix G.
won't hold a charge, replace
the battery.
Remove the CO source and
allow the 707 to purge.