Denso BHT-300BWB Operator's Manual page 23

System Program malfunction
Problem
During execution of System Program, the System
Program has attempted to write onto the write-
protected area of the memory.
(xxxxxxxx: Error address)
If this error occurs, the BHT beeps five times
(for 0.1 second per beep).
Solution
Unload and reload the battery cartridge, then turn the
BHT on. If this error occurs frequently, make a note of
the displayed message and codes and contact your
system administrator.
Problem
During execution of System Program, the System
Program has received an invalid command code.
(xxxxxxxx: Error address)
If this error occurs, the BHT beeps five times
(for 0.1 second per beep).
Solution
Unload and reload the battery cartridge, then turn the
BHT on. If this error occurs frequently, make a note of
the displayed message and codes and contact your
system administrator.
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