Denso BHT-8000 User Manual page 155

Abnormal shutdown
! Problem
If shut down abnormally*, the BHT has been left without dry cells or
battery cartridge loaded, or with dead dry cells or discharged battery
cartridge loaded, so unsaved data was lost.
(*"Normally shut down" refers to "turned off with the PW key or by the
auto power-off feature.")
! Solution
Refer to Chapter 2, Section 2.3.6.
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 dry cells or battery cartridge, then turn the BHT
on. If this error occurs frequently, make a note of the displayed
message and codes and contact your nearest dealer.
! 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 dry cells or battery cartridge, then turn the BHT
on. If this error occurs frequently, make a note of the displayed
message and codes and contact your nearest dealer.
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