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Philips M3001A Service Manual Page 224

M3/m4 monitors,measurement server,measurement server extensions.
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Using Service Mode
Reset PumpOpTime
The cumulative time the pump in the M3015A Measurement Server Extension (sidestream
CO
number prefix DE020xxxxx only), this counter must be reset. A reset of the pump time must
be confirmed.
NOTE
When the PumpOpTime has been reset an INOP will be generated: "CO
clear this INOP you must perform a flow check and store the flow in Service Mode (select
"Store Flow")
The effectiveness of the Pump gradually decreases over time. As a result, periodic
replacement is necessary (applies to units with serial number prefix DE020xxxxx only).
Philips recommends replacement of the Pump as follows:
• After 15,000 to 20,000 hours (max 20 000 hours).
• If the flow cannot be adjusted to the desired value.
• If the Pump makes considerably more noise than new Pumps.
After replacing the pump, perform a CO
Measurement Calibration Check" on page 152.
When replacing the pump in the M3015A Measurement Server Extension (sidestream CO
you should also replace the CO
Recorder Status Check
You can check the status of the recorder by entering Service Mode, then pressing
the Local Record SmartKey . The firmware version (FV), voltage (V), and
temperature at the printhead (T) are printed out:
Self-Test Cycles (information only)
The number of executed Self-Test cycles since the last reboot is displayed, but cannot be
modified.
OpTime Mon (information only)
The cumulative time that the Monitor has been operated is shown, but cannot be modified.
OpTimeMeasS (information only)
The cumulative time the Measurement Server has been operated is shown, but cannot be
modified.
208
) has been operating is shown. When replacing the pump (applies to units with serial
2
FV4.1
V11.9
T+36
calibration check as described in "CO2 Gas
2
scrubber at the same time.
2
OCCLUSION". To
2
Local
Record
Troubleshooting the Instrument
),
2

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