Section 8 Troubleshooting; General Problems And Gsm Module Errors - Hach sc1000 User Manual

Section 8

8.1 General problems and GSM module errors

Problem
Incorrect display reaction when the
display is touched
No trend line available.
Communication problems
LED indicator in the probe module
blinks red
LED indicator in the probe module is
turned off
Missing measured values after
changing probe (mA output card,
fieldbus card)
Local web access is not available
Local web access is blocked with the
"MENU ACCESS" message
Local web access is blocked,
missing password
Display module operation denied
with the "WEB ACCESS" message
General probe specific error
messages
Screen is blue, no measurements
are displayed
New devices (probes, modules) are
connected to the sc1000 controller
but were not listed during initial bus
scan
Troubleshooting
Table 39 General Problems
Cause/Solution
Calibrate touch screen with finger or stylus. If this is not possible: Start factory
calibration through web access.
Configure the logger in the appropriate probe.
Check the probe plug, check probe cable damage, check network plug and cable at
sc1000 networks.
Refer to Communication problems
Check the fuses, if the probe module is connected to power supply.
New configuration for the output cards is necessary. Configure the new probe with its
serial number. After that, delete the not used probe in the device management.
Check the Ethernet connection, LAN configuration and IP address in the
SYSTEM SETUP, BROWSER ACCESS menu.
The display module is not in the "Measured value display" mode.
Activate password in the SYSTEM SETUP, SECURITY SETUP menu (refer to
section 6.3.10 on page
Close the external web access to enable local display operation again.
Check the probes in the SENSOR STATUS menu on error messages and warnings.
Errors are indicated with a red background in the according displayed measurement
value.
Check if the probes are connected. If the probes are connected, scan for new
devices. Check the measurement screen configuration. If no device is configured add
it to the measurement screen configuration.
Check whether missing devices are connected to local or – when installed – to
remote probe modules. Use the serial numbers for identification.
For remote probe modules check proper termination of all network cables.
For local probe modules retry with interchanged device connectors.
Refer to Communication
117).
problems.
121