TROUBLESHOOTING
8-6
4) Battery Type
The MiniRAE 2000 monitor can be powered by either a
rechargeable nominal 4.8V NiMH / NiCd battery pack or
an alkaline battery holder. This display shows the type of
battery, which is currently installed in the monitor. The
charger cable must be unplugged for a correct battery type
display.
5) Adjust LCD Contrast
This display allows the user to adjust the LCD contrast.
Press [Y/+] to increase the contrast and [N/-] key to
decrease the contrast. The bar graph shows the current
LCD contrast setting. If the display appears blank or very
faint, press the [Y/+] key several times to increase the
contrast or darken the display.
6) Battery Duration
This display shows the run time of the last time the unit
powered itself off due to a low battery or turned off by the
user. It is useful for battery life testing.
7) Adjust Pump Stall Threshold
This display can be used to calibrate the pump stall
threshold. If the gas inlet is blocked but the pump does not
shut down, or the pump shuts down too easily with a slight
blockage, the pump stall threshold value may be set too
high or too low. Use the following steps to adjust the pump
stall threshold.
1. In diagnostic mode, press the [MODE] key until “Pump
xxx/yyy” is displayed. This is the maximum and average
pump current under normal conditions.
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