Troubleshooting - Hach CD300 Benutzerhandbuch

Figure 9 SD card replacement

Troubleshooting

Problem
The display and Power is not supplied to the
the indicator lights controller or there is a blown
are all off fuse.
The controller The operating system does not
does not operate operate correctly.
correctly.
The controller
• Damage has occurred to an
does not show
attached measurement
connected
device or the device cable.
sensors.
• There is a communication
failure between the controller
and one or more of the
attached measurement
devices.
The controller The sensor settings are not
does not show correct.
connected
sensors.
Possible cause
Make sure that there is power to the controller. If there is
power, remove power to the controller and identify if there
is a blown fuse. If a blown fuse is found, contact technical
support.
• Restore a recovery point or the factory defaults. Select
Data>Recovery point.
• Examine the controller for damage. Set the controller to
off and then to on again. If damage is found or the
problem continues, contact technical support.
• Make sure that the measurement device is connected
to the controller.
• Examine the measurement device and the device cable
for damage. Make sure that the measurement device is
operational. If damage is found, contact technical
support
• Set the controller to off and then to on again.
Make sure that the sensor settings on the sensor menu
are correct. Refer to Connect a sensor
If connected sensors are not Modbus, do the steps that
follow:
1. On the main menu select Sensor.
2. Select Protocol>Trios.
Solution
on page 20.
English 23