Philips M3000A, Руководство по обслуживанию

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Part 2 Isolating and Solving Instrument Problems
192 Troubleshooting the Instrument
Sidestream CO
2
Measurement Server Extension related problems
No wave dis-
played and no
channel present 1.Measurement Extension
is used with a monitor
and/or Measurement
Server with Release A
software (A.xx.xx)
2.CO
2
Data Acquisition
hardware is incompatible
with wireless network
(major revision number
<10 and minor revision
number <30) and Meas-
urement Server Extension
is used on a monitor with
wireless network option.
3.No FilterLine attached
4.CO
2
measurement
switched off
5. Pump defective
6. Incorrect or defective
FilterLine
1. Check if the measure-
ment extension is sup-
ported by the system
configuration (hardware
and software). Check that
no “UPDATE FW” mes-
sage is displayed.
2. Check CO
2
Data
Acquisition hardware
revision. If the Measure-
ment Server Extension is
incompatible with wire-
less network either use
this Measurement Server
Extension on a monitor
without wireless network
or upgrade the Measure-
ment Server Extension
(contact your service rep-
resentative).
3. Check that a FilterLine
is connected.
4. Check that CO
2
meas-
urement is switched on.
5. Check whether the
pump is running.
6. Replace the FilterLine
and check again.
Accuracy prob-
lems Incorrect N
2
O setting
Incorrect humidity correc-
tion setting (BTPS/STPD)
Incorrect Max Hold set-
ting
Invalid calibration
1. Check settings:
- N
2
O correction
- BTPS or STPD
- Max Hold or standard
averaging
2. Perform accuracy check
and calibrate, if necessary.