62
Troubleshooting
Type 8745 Ethernet, 8745 Analogue
3.
The Ethernet protocol is being changed.
→
Wait until the change of protocol is completed. This can take
up to 1 minute.
12.1.13
Product status indicator is blue
There is an internal memory error.
→
Contact the manufacturer, because a maintenance operation
is needed.
12.2
Problems shown by the status LED
of the motor valve
12.2.1
LED is red and flashes, LED is red and
On
Identify the cause:
1.
The fluid temperature or the ambient temperature is too high.
→
Respect the maximum ambient temperature and the
maximum fluid temperature.
→
Restart the product to turn off the red flashing LED. To restart
the product, de-energise then energise the product again.
2.
A cable is broken.
→
Make sure that the electrical connections between the
product housing and the motor valve are not loose.
12.2.2
LED is yellow and flashes
The ambient conditions or the process conditions for the motor
valve are outside the authorized range.
→
Operate the product in the authorized range.
12.3
Miscellaneous problems
12.3.1
Product status indicator is off
If the product status indicator is off, then the product is not ener
-
gised. To solve this issue, do the following:
→
Make sure that the product is correctly wired.
→
Make sure that the voltage supply is 24 V DC.
→
Make sure that the power supply source is working properly.
12.3.2
Product status indicator flashes
If the product status indicator flashes, then the product is
selected in the Bürkert Communicator software.
After 10 seconds, the product automatically returns to the pre
-
vious status.
12.3.3
Product status indicator goes out
periodically
Identify the cause to solve the problem:
1.
The power supply is intermittently dropping and the product
restarts.
→
Use a power supply with sufficient power output.
English
Содержание 8745 MFC Ethernet
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