Denso BHT-500B User Manual page 192

Message
If this error occurs, the BHT
beeps five times.
BHT Response
An error has occurred during
execution of System
Program.
Barcode Handy Terminal
Cause Countermeasure
Unload and reload the
battery cartridge, then
turn the BHT on.
If this error occurs
frequently, make a note
of the displayed code
and contact your system
administrator.
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