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4 Troubleshooting
Table 4
lists the symptoms, possible causes, and recommended
corrective actions for problems you may encounter with the
Certifier
®
FA Test System. If the symptom is not listed, or if none of
the recommended corrective actions solves the problem, please
contact TSI Customer Support at (800) 874-2811 or 651-490-2811.
Table 4. Troubleshooting the Certifier
®
FA Test System
Symptom
Possible Cause
Corrective Action
Controller module
won’t turn on, or
turns on and off.
Batteries are
depleted or installed
backwards.
Check that batteries
are installed correctly.
Replace batteries.
Measurements
aren’t displayed
even though
controller module
is on.
Flow module isn’t
connected to
controller module.
Connect flow module to
controller module.
‘---‘ is shown on
display.
Measurement is out
of range.
Check range for
displayed
measurement, and only
make measurements
within that range.
Flow rate does
not read zero
when no gas
flowing
(Especially when
set to N
2
O).
Meter was not
purged with gas
displayed on the
controller.
Purge meter with gas
displayed on controller
or press gas select key
to change to desired
gas.
Unable to
disconnect flow
module from
controller module.
Pulling on the cable
rather than the
connector.
Pull the locking
connector (not the
cable) to disengage
connector lock.
Can’t display
%O
2
.
Oxygen sensor not
connected. Look for
oxygen sensor
symbol,
.
Connect oxygen sensor
cable to High Flow
module and oxygen
sensor.