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Sprint Pro Troubleshooting guide
Symptom Cause Recommended User Action:
During the zeroing
process the gas reading
does not stabilise.
Recovering from high
gas exposure or gas
sensor faulty.
Ensure Sprint Pro is purged and
allow 15 minutes for the sensor
to recover. If it does not stabilise
then please return for service.
Sometimes negative
gas readings are
displayed.
Previously zeroed
with gas present.
Undertake the zeroing process
using the Zero function in the
Main Menu or turn off and on
and repeat zero in clean outside
air, allowing time for the CO
sensor to recover and stabilise.
Sometimes “!>” or
“!<” is displayed in
place of a number.
Sensor is out of
range.
Contact support for advice.
Return for service if problem
persists or other failures are
observed. Sensors will generally
recover in 15 minutes.
Cal due date has
changed.
Time/date has been
amended.
Check current date and time is
correct. If the cal due date is set
to more than a year’s time then
return for service.
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