Hach-Lange RTC112 SD-Module - Manual (Page 39)

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Section 6 Troubleshooting
6.1 Error messages
Possible RTC errors are displayed by the sc controller.
6.2 Warnings
Possible RTC sensor warnings are displayed by the sc controller.
6.3 Wear parts
Displayed errors Cause Resolution
RTC MISSING
No communication between RTC and RTC
communication card
Supply RTC with voltage
Test connection cable
Reset the sc1000 and the RTC (switch so it is
completely voltage free and switch back on)
RTC CRC
Interrupted communication between RTC and
RTC communication card
Make sure +/- connections of the connector
cable between RTC and RTC communication
card in the sc1000 are installed correctly.
CHECK CONFIG
The sensor selection of the RTC was deleted
by deleting or selecting a new sc1000
participant.
From MAIN MENU > RTC MODULES /
PROGNOSYS > RTC MODULES > RTC >
CONFIGURE > SELECT SENSOR, select the
correct sensor for the RTC again and confirm.
RTC FAILURE
Brief general read/write error on the CF card,
mostly caused by a brief interruption to the
power supply.
Acknowledge error. If this message is shown
frequently, eliminate the cause of the power
disruptions. If necessary, inform the service
team of the manufacturer (
Section 8, page 43 ).
INFLOW1 NOT G. Influent measurement signal faulty Test sensor, check cable connections
INFLOW2 NOT G. Influent measurement signal faulty Test sensor, check cable connections
Displayed warnings Cause Resolution
MODBUS ADDRESS
The RTC menu SET DEFAULTS was opened.
This deleted the MODBUS address of the RTC
in the sc1000.
Go to MAIN MENU > RTC MODULES /
PROGNOSYS > RTC MODULES > RTC >
CONFIGURE > MODBUS > ADDRESS and
set the correct MODBUS address.
PROBE SERVICE A configured sensor is in service status. The sensor must exit service status.
Designation Quantity Service life
Battery 1 ~ 5 years