3 list of events and alarms, Listed in, Maintenance and troubleshooting – Hach-Lange ORBISPHERE Model 51x User Manual User Manual

Page 108

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106

Maintenance and Troubleshooting

14.3 List of events and alarms

Table 4 List of Events

Event

type

Name

Description

Bit mask

value (32

bits long)

Information

Measure

Normal measurement mode.

0x00000000

Filter enabled

The gas measurements are filtered.

0x00000001

Sample measurement

The sample measurement is started.

0x00000002

Meas. not ready

The measurement is not ready (e.g. at startup)

0x80000000

Autotest in progress

The autotest is running.

0x00100000

Autotest failed

The autotest has failed.

0x00200000

Alarm snooze

The alarm snooze is ON.

0x00000004

Sample mode user
aborted

The sample mode has been stopped because the user has pressed the stop
button.

0x00010000

Sample mode stopped
because of time out

The sample mode has been stopped because the
maximum time to reach the target has elapsed.

0x00020000

Sample mode stopped
because of an error

The sample mode has been stopped because of a measurement error
(sensor out, purge failure, etc.).

0x00040000

W

a

rnin

g

Calibration

Channel in calibration.

0x00000008

Hold

The measurement is frozen.

0x00400000

Alarm low low

The gas concentration below the Alarm LowLow limit.

0x00000010

Alarm low

The gas concentration is below the Alarm Low limit.

0x00000020

Alarm high

The gas concentration is above the Alarm High limit.

0x00000040

Alarm high high

The gas concentration is above Alarm HighHigh limit.

0x00000080

Calibration required

The calibration of the sensor is required.

0x00000100

Service required

The sensor requires a service.

0x00000200

TC hold

TC measurement on hold

0x08000000

Continuous purge on

Continuous purge is on

0x10000000

Al

a

rm

Channel disabled

The channel has been disabled.

0x00000400

Channel out

The measurement board has been disconnected (or does not answer).

0x00000800

Sensor out

The sensor has been disconnected.

0x00001000

Ext. pressure sensor
out

The external pressure sensor is out.

0x00002000

Thermal cut off

The temperature is above the thermal cut off.

0x00004000

Interfering gas error

For this channel, an interfering gas is taken into account (i.e. O

2

over N

2

).

This interfering gas is measured by another channel. This event occurs
when the other channel:

is in error (sensor out, thermal cut off, calibration, etc.)

does not exist anymore

does not measure the right gas (i.e. O

2

)

0x00008000

PROFIBUS-DP value
not updated

The PROFIBUS-DP module has not received
measurements from the instrument for 30 seconds.

0x00080000

Ramp limit violated

V3 voltage outside range -3V to +8V

0x04000000

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