Welch Allyn PneumoCheck 61000, Service Manual

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12 Pneumocheck Handle and Printer/Charger Service Manual 610132 Rev. E
1 Remove pneumotach if necessary.
2 Obtain a good set of batteries and insert in
pneumocheck.
3 Replace pneumotach. Turn pneumocheck on. If
unit powers up continue testing (steps 3 &
beyond). If unit doesn’t power up, take apart.
Refer to troubleshooting guide.
4 Put into data mode (hold down white button,
turn unit on and release white button).
5 Observe LCD; all segments should be on.
6 Depress and release ‘test’ button. Unit should
step through a self diagnostic.
Testing > ROM OK > RAM OK > EEPRM OK>
ASLEEP
In ‘ASLEEP’ mode, the unit will stop and await
further instruction.
If unit stops before sleep mode, there is a
failure. Refer to troubleshooting guide.
7 Depress & release test button: ON reading
should be displayed. It should read
between 30 and 80. Continue testing whether
on reading is in range or not.
Calibration of this circuit will be covered in
SEC B, STEP 6.
8 Depress & release test button: Unit should give
BAT reading. This should be 815 +/- 1%
(807-823). Even if number is outside of range,
continue on to steps 9-12. Refer to
troubleshooting guide to diagnose after
completing step 12.
2.1 BENCH TEST OF
PNEUMOCHECK
SECTION A
Section 2 - Service
Caution: Adequate ESD protection
must be worn at all times when
working on the Pneumocheck,
handle or printer/charger.