Event Log - Hach PAH500 Bedienungsanleitung

Warning
CLEAN The number of days since the
SENSOR sensor was cleaned is more
than the CLEAN DAYS setting.
CAL REQUIRED The number of days since the
sensor was calibrated is more
than the CAL DAYS setting.
FLASH External flash memory failed.
FAILURE

6.3 Event log

The event log contains a large number of events that occur on the sensor. To show the event log,
select TEST/MAINT > DATALOG SETUP > VIEW DATA/EVENT LOG > [select sensor] > EVENT
LOG.
A list of possible events is shown in
event log.
Event
SENS INTERVAL
RAW INTERVAL
POWER ON
MODBUS REINIT
SERIAL NUMBER CHANGE
MODBUS ADDRESS CHANGE
BAUD RATE CHANGE
MIN RESPONSE CHANGE
DATA ORDER CHANGE
LOC STRING CHANGE
DATALOG INTERVAL CHANGE
APP CODE UPDATE START
APP CODE UPDATE COMPLETE An application code update was fully completed.
APP CODE UPDATE FAIL
APP CODE INTERNAL FAIL
APP CODE EXTERNAL FAIL
28 English
Table 3 Warning messages (continued)
Description
Table 4. Refer to the controller documentation to download the
Table 4 Event list
Description
The PAH measurement logging interval of the sensor was
changed.
The mV measurement logging interval of the sensor was
changed.
The power was set to on.
The Modbus system setting were set to the factory defaults.
The serial number was changed.
The Modbus address was changed.
The Modbus baud rate was changed.
The Modbus minimum response was changed.
The Modbus data order was changed.
The Modbus location string was changed.
The PAH or mV measurement logging interval was changed.
An application code update was started.
A failure occured during an application code update.
An internal memory failure of the application code occurred.
An external memory failure of the application code occurred.
Solution
Clean the sensor. Then, select SENSOR
SETUP > [select sensor] > DIAG/TEST >
COUNTERS > CLEAN SENSOR to set the
CLEAN DAYS value to zero. To change the
cleaning interval, refer to the CLEAN DAYS
option in Configure the sensor unit
on page 15.
Calibrate the sensor. To change the
calibration interval, refer to the CAL DAYS
option in Configure the sensor unit
on page 15.
Contact technical support.