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Troubleshooting
Symptom – The WolfSense software has locked up
Press CTRL-ALT-DEL.
In the dialog box, click on or tap WolfSense IAQ LAP (or WolfSense PC).
Click on or tap END TASK.
Restart the WolfSense software from the LAP PC desktop.
If the system does not respond, from the Windows Start Menu, click on or tap Shut
Down. Restart Windows.
If the system still does not respond, you will need to perform a hard reset.
Push the Reset button to reboot.
Symptom – No communication with the probe
Check to ensure that:
The probe is plugged in properly.
The probe has good batteries.
The battery contacts are clean and not corroded.
The CO
2
sensor is flashing (visible through the slots) to indicate power is on.
Another application on the Lap PC has not locked the use of the serial port. The
COM indicator appears in the lower right-hand corner of the WolfSense LAP
window when the COM port selected in Probe, Setup is available. If the COM
port is unavailable, you may have to shut down any applications that use the
serial port or restart your computer.
Symptom – Bad or erratic CO
2
or %RH readings
Check to ensure that:
The probe is shielded from direct sunlight. Readings from these sensors can be
affected by strong direct light.
Symptom – Bad or erratic CO
2
readings
Check to ensure that:
The sensor is plugged into the circuit board.
You have not moved the probe from a cold environment to a relatively warm,
humid environment.
The probe is not in a variable temperature air stream.
The CO
2
sensor is an optical sensor which uses an active detector and a reference
detector for stable long-term readings. If condensation has formed on one of the
detectors or if there are temperature differences between the two detectors, CO
2
readings may be erratic until the sensor has stabilized to its new environment.
Symptom – CO
2
sensor continues to flash after Lap PC is turned off
It is normal for the sensor to flash for a minute or two after power-down.
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