Manual

132 • Using Maintenance Mode Gas Tracer Operator’s Manual
• To return to the BUMP screen in Calibration Mode, press
POWER ENTER.
If one or more sensors fail the bump test, see “Troubleshooting” on
page 175 to investigate the cause of the failure and replace the
failed sensor or sensors if necessary.
• Disconnect the tubing from the probe.
12.When AUTO CAL in the BUMP--SET menu item in Maintenance
Mode is set to ON:
If all channels pass the bump test,
• The following screen appears:
• To view the bump test gas readings press the AIR▲ or
(SHIFT)▼ button. You can scroll between the bump test results
and the bump test gas readings with the AIR▲ or (SHIFT)▼
button.
MAINTENANCE
BUMP
P
P
P
%LEL
%
ppm
MAINTENANCE
CH4
O2
BUMP
CO
45
12.0
47
%LEL
%
ppm
MAINTENANCE
CH4
O2
BUMP
CO