UBI EasyCoder 601 XP – Service Manual Ed. 1
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Chapter 17 Troubleshooting
Description:
The following actions are valid for all communication inter-
faces installed in the printer. Refer also to troubleshooting of
the interface in question.
Possible Causes and Suggested Remedies:
• Defective cable between printer and host.
- Check that the interface cable is correctly inserted and that it
is of correct type and configuration.
- Check that any clips or ground screws are properly engaged.
- Inspect cable for physical damage.
- Remove the cable and put it back a few times to rub off possible
oxide.
- Try using another identical cable.
• Defective cable between interface board and CPU board. (This
does not apply to the serial port "uart1:" which is fitted directly
on the CPU board.)
- Check that the cable is correctly inserted and that it is of
correct type.
- Inspect cable for physical damage.
- Remove the cable and put it back a few times to rub off possible
oxide.
- Replace the cable.
• Error in host.
- Try connecting the printer to another host computer.
• Erroneous data.
- Check if the data string contains the correct characters using
the Line Analyzer program included in UBI Shell (see Instal-
lation & Operation manual).
• Electrical disturbances from external units (printers produced
before week 743 only).
- Connect a grounding wire on the power supply unit as
described in Printer Technical Bulletin No. 42/1997.
17.8 No Communication
(general)