Kanomax 2212, User Manual, Page: 47 / 52

11. Troubleshooting 44
11. Troubleshooting
11.1 Battery Check
Symptom Possible Cause(s) / Solution(s)
Refer To
(Page No.)
Display does not appear when
power is turned ON. The battery is exhausted.
→
Turn OFF the power and replace the batteries.
4, 6
Nothing appears on the display
Even after new batteries are
inserted. The contrast of the display is not adjusted properly.
→ Adjust the contrast with the contrast adjuster.
33
Battery indicator “
” is
blinking.
The battery is exhausted.
→
Turn OFF the power and replace the batteries.
4, 6
11.2 Initial Operation Check
Symptom Possible Cause(s) / Solution(s)
Refer To
(Page No.)
Display is too dark/light The contrast of the display is not adjusted properly.
→ Adjust the contrast with the contrast adjuster.
33
“NO PROBE!” is displayed on
the screen.
Probe is not connected.
→ Turn off the power and connect a probe into the instrument.
5
Incorrect measurement unit
Set appropriate unit of temperature
（
o
C,
o
F
）
, absolute humidity
（
g/m
3
, lb/ft
3
）
, and humidity ratio (g/kg, lb/lb).
30
11.3 Check While Measuring
Symptom Possible Cause(s) / Solution(s)
Refer To
(Page No.)
Reading is displayed as “**.*”. Measurement range is exceeded.
→ The instrument must be used in the specified measurement
range.
41
Reading is displayed as “-----”.
Or it is kept showing as “0”. Probe may not be connected property.
→ Check the connection.
5
Probe wire disconnection or sensor damage.
→ Contact your local distributor for repair.
CO and CO2 readings are not
correct. Probe sensor may be too close to expiratory air.
→ Keep a sensor away from expiratory air as much as possible.
7
Temperature reading is high. Correct reading cannot be obtained when there is not airflow.
→ Gently move probe
8
Humidity reading is lower than
Assman Psychrometer. Assman Psychrometer is an intricate instrument and there are
great differences between each psychrometer. Check the
measurement method.
8
11.4 Printer Check
Problem Possible Cause(s) / Solution(s)
Refer To
(Page No.)
Printing Failure Confirm that the printer cable is connected properly.
20
Confirm that the Baud Rate is set properly.
→ Check the instrument and printer settings.
20