Denso BHT-300B User Manual page 148

System administrator to be called
Problem
Any of the following errors has occurred:
(1) Hardware error or calendar clock error
Flash memory error
(2) Memory storage error
(3) Execution program error
(XXXX: Error code)
If any of the above errors occurs, the BHT beeps five times (for
0.1 second per beep) and then turns itself off.
Solution
Turn the BHT on again.
If error (1) above occurs frequently, contact your nearest dealer.
If error (2) occurs frequently, initialize the BHT System (the whole
user area including the font file area).
If error (3) occurs frequently, delete the execution program file that
causes this error or download the original execution program file to
overwrite the current one.
134
(1010)
(1020)
(20XX)
(3010)