User`s guide

M3000A/M3046A/M3015A/M3016A Service Guide
5-24 Troubleshooting the Instrument
Accuracy problems Incorrect N
2
O setting
Incorrect humidity correc-
tion setting (BTPS/STPD)
Incorrect Max Hold setting
Invalid calibration
Check Settings:
- N
2
O correction
- BTPS or STPD
- Max Hold or standard
averaging
2. Perform accuracy check
on calstick and calibrate, if
necessary.
No wave displayed and no chan-
nel present
1.Measurement Extension is
used with a monitor and/or
Measurement Server with
Release A software
(A.xx.xx)
2.CO
2
measurement
switched off
1.Check if the Measure-
ment Extension is supported
by the system configuration
(hardware and software)
2. Check that CO
2
measure-
ment is switched on
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Buzzing noise accompanying
alarm, INOP, or QRS sound.
Speaker mounting problem,
for example, the speaker is
ajar due to being dropped.
Mount speaker properly or
replace speaker.
No tone alarms.
Speaker will not work.
Make sure audible tones are
switched on.
Cable disconnected.
Defective speaker.
Defective Audio Circuit.
Reconnect cable.
Replace speaker.
Replace the System Board.
Buzzing noise in Instrument. Defective Audio Circuit.
Defective Power Supply.
Replace the System Board.
Replace the Power Supply.