Philips M3001A Service Manual page 208

Part 2 Isolating and Solving Instrument Problems
Sidestream CO
No wave dis-
played and no
channel present
Accuracy prob-
lems
192
Measurement Server Extension related problems
2
1.Measurement Extension
is used with a monitor
and/or Measurement
Server with Release A
software (A.xx.xx)
2.CO Data Acquisition
2
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 measurement
2
switched off
5. Pump defective
6. Incorrect or defective
FilterLine
Incorrect N O setting
2
Incorrect humidity correc-
tion setting (BTPS/STPD)
Incorrect Max Hold set-
ting
Invalid calibration
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 Data
2
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 meas-
2
urement is switched on.
5. Check whether the
pump is running.
6. Replace the FilterLine
and check again.
1. Check settings:
- N O correction
2
- BTPS or STPD
- Max Hold or standard
averaging
2. Perform accuracy check
and calibrate, if necessary.
Troubleshooting the Instrument