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Maintenance and Troubleshooting
13-7
The mobile computer cannot read
RFID tags.
Tag is damaged. Try another tag.
Tag is not programmed. Program tag.
Tag type is not supported by
reader.
Try an appropriate tag type.
User is too far from tag. Move to within 10 feet or closer of tag (based on tag
type).
Wrong tag orientation. See Reading RFID Tags on page 2-39 for correct
antenna and tag orientation.
Reader is in a Multi-path
interference zone.
A Multi-path interference zone is a radio phenomena
caused by radio waves reflecting from other surfaces,
such as concrete floors or metal shelving, that causes
interference when the reader is at certain distances
from the tag. Moving the reader up or down, or
moving closer or further from the tag will eliminate
this interference. In general, reader motion will
enhance tag reading abilities.
The mobile computer cannot
program RFID tags.
Tag is damaged. Try another tag.
Tag type is not supported by
reader.
Try an appropriate tag type.
Tag is locked. Try another tag.
User is to far from tag. Move the antenna to within two feet of tag (based on
tag type) but not closer than minimum write distance
of 1 foot.
User is too close to tag. The minimum write distance is 1 foot from the
antenna. Moving closer than 1 foot during programing
can damage tag and render it unreadable.
Table 13-1. Troubleshooting the Mobile Computer (Continued)
Problem Cause Solution