49
Troubleshooting
Type 8746 Profibus, 8746 Analogue
→
Remove the old memory card from its slot.
→
Pay attention to the insertion direction of the memory card.
Fig. 28 shows the final position of the memory card in the
product.
Inserted memory card
Fig. 28:
Cross-sectional drawing of a product Type 8746
→
Fit the cover back.
→
If an ATEX product is used in a potentially explosive area,
then fit the impact protection-cover back.
→
With a TX8 key for hexalobular-internal screw, tighten the
cover screws to a torque of 1.2 N·m, that is 0.9 lbf·ft.
→
Restart the product to write the product data on the new
memory card. Possible problems related to the memory card
are given in chpt.
12
TrOubleshOOTing
12.1
Problems shown by the product
status indicator
The product status indicator changes its colour based on the
NAMUR recommendation NE 107 to show diagnostics events.
If several diagnostics events have been generated, then the
product status indicator shows the diagnostics event with the
highest priority.
If the product is connected to a fieldbus, then the codes that are
related to the product states are transmitted on the fieldbus. Refer
to chpt.
12.1.1
Product status indicator is red (MfM
Analogue)
Identify the cause to solve the problem:
1.
The supply voltage is out of the error range. The product can
be damaged.
→
Operate the product within the specifications. If the product
status indicator is still red, then send the product back to
Bürkert.
2.
The sensor, the internal memory or the product is defective.
→
Contact the manufacturer, because maintenance is needed.
English
Summary of Contents for 8746
Page 59: ......
Page 60: ...www burkert com...
