
Transmitter M300 93
© 12 / 11 Mettler-Toledo AG, CH-8606 Greifensee, Switzerland Transmitter Multiparameter M300
Printed in Switzerland 52 121 389
14.6 O
2
(V)ErrorMessages/Warning-andAlarmList
(ThorntonModelsonly)
Warnings Description
Warning DO Slope >1.50 Slope too big
Warning DO Slope < 0.65 Slope too small
Warning DO ZeroPt >15 μV Zero offset too big
Warning DO ZeroPt < –15 μV Zero offset too small
Alarms Description
Watchdog time-out SW/System fault
Warning DO Slope < 2.00 Slope too big
Warning DO Slope < 0.25 Slope too small
Warning DO ZeroPt > 30 μV Zero offset too big
Warning DO ZeroPt < –30 μV Zero offset too small
14.7 OzoneErrorMessages/Warning-andAlarmList
(ThorntonModelsonly)
Warnings Description
Warning O
3
Slope >1.83 nA Slope too big
Warning O
3
Slope < 0.73 nA Slope too small
Warning O
3
ZeroPt > 0.5 nA Zero offset too big
Warning O
3
ZeroPt < – 0.5 nA Zero offset too small
Alarms Description
Watchdog time-out SW/System fault
Error O
3
Slope > 2.75 nA Slope too big
Error O
3
Slope < 0.65 nA Slope too small
Error O
3
ZeroPt >1.0 nA Zero offset too big
Error O
2
ZeroPt < –1.0 nA Zero offset too small
14.8 Warning-andAlarmindicationonthedisplay
14.8.1 Warningindication
If there are conditions, that generate a warning, the message will be recorded through the menu
Messages (see chapter 12.1 “Messages”; PATH: Info/Messages). According to the parameteri-
sation of the transmitter the hint ”Failure – Press Enter” will be shown at line 4 of the display if a
warning or alarm has occurred (see chapter 8.6. “Display”;
PATH: Menu/Configure/Display/Measurement).
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