Type 8756
Troubleshooting
english
73
10.1.18 Product status indicator is blue
Cause
Solution
Error in the internal memory.
Contact the manufacturer,
because maintenance is
needed.
10.2
Miscellaneous problems
10.2.1
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.
10.2.2 Product status indicator flashes
Make sure that the power supply source is working properly.
After 10 seconds, the product automatically returns to the previ-
ous status.
10.2.3 Product status indicator goes out
periodically
Identify the cause to solve the problem:
Cause
Solution
The power supply is intermit-
tently dropping and the product
restarts
Use a power supply with
sufficient power output.
The voltage drop in the con-
necting cable is too high
increase the cross-section
of the cable and reduce the
cable length.
10.2.4 Replacement product adopts none of
the values from the defective
product
Identify the cause to solve the problem:
Cause
Solution
The article number of the re-
placement product is different
from the article number of the
defective product.
Use a replacement product
that has the same article
number than the defective
product. Values can only be
transferred between
products with the same art-
icle numbers.
The memory card is defective.
The product could not write any
values to the memory card.
Replace the memory card.
Refer to chapter: