Troubleshooting, Error and status indicators – Hach-Lange SC 200 Profibus network card User Manual User Manual
Page 12

Troubleshooting
W A R N I N G
Multiple hazards. Do not disassemble the instrument for maintenance or service.
If the internal components must be cleaned or repaired, contact the manufacturer.
Error and status indicators
Error and status words follow the same standard definition for all sc probes
and controllers.
Error messages
lists bit position and error messages.
Status indicator
messages
lists bit position and status messages.
A bit value of zero shows the error or status condition that is not true.
A bit value of 1 shows the error or status condition that is true. For example,
if Bit 0 has the value of 1, an error has occurred during the last calibration.
Table 6 Error messages
Bit Message
Indication
0
Measurement calibration
error
An error has occurred during the last calibration
1
Electronic adjustment error An error has occurred during the last electronic
calibration
2
Cleaning error
The last cleaning cycle failed
3
Measuring module error
A failure has been detected in the Measurement
Module
4
System re-initialization
error
Some settings are inconsistent and have been
reset to factory defaults
5
Hardware error
A general hardware error has been detected
6
Internal communication
error
A communication failure within the device has
been detected
7
Humidity error
Excessive humidity has been detected within
the device
8
Temperature error
Temperature within the device exceeds a
specified limit
Table 6 Error messages (continued)
Bit Message
Indication
9
—
—
10
Sample warning
Some action is required with the sample system
11
Questionable calibration
warning
The last calibration may not be accurate
12
Questionable
measurement warning
One or more of the device measurements are
out of range or are of questionable accuracy
13
Safety warning
A condition has been detected which may result
in a safety hazard
14
Reagent warning
The reagent system requires attention
15
Maintenance required
warning
The device requires maintenance
Table 7 Status indicator messages
Bit Message
Indication
0
Calibration in progress
The device is in a calibration mode.
Measurements may not be valid.
1
Cleaning in progress
The device is in a cleaning mode.
Measurements may not be valid.
2
Service/Maintenance menu
The device is in a service or maintenance
mode. Measurements may not be valid.
3
Common error
The device has recognized an error. See Error
Register for Error Class.
4
Measurement 0 Quality Bad Precision of measurement is out of specified
limits.
5
Measurement 0 Low Limit
Measurement is below the specified range.
6
Measurement 0 High Limit
Measurement is above the specified range.
7
Measurement 1 Quality Bad Precision of measurement is out of the
specified limits.
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