System Errors - Denso BHT-7500S User Manual

4.1 System Errors

If some error occurs when the power is turned on or during program execution, one of
the following error messages will appear on the LCD.
********************
No System!
**
********************
Battery voltage
has lowered.
System Program error
Problem
A System Program error has occurred.
**
Solution
Contact your nearest dealer.
Low battery indication—Level 1
Problem
When the power is turned on or off or during ex-
ecution of program (System Mode or application),
the battery output level has dropped below a
specified lower level limit.
Solution
The service life of the battery cartridge will expire
soon, requiring replacement or recharge.
If the BHT is loaded with the rechargeable battery
cartridge, replace or charge it. (For the charging
procedure, refer to Chapter 5, Section 5.5.)
If the BHT is loaded with the dry battery cartridge,
replace the dry cells.
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If this error occurs, the BHT beeps five times
(for 0.1 second per beep) and then turns itself
off.
If low battery is detected, the BHT displays
this message for approx. 2 seconds and beeps
three times (for 0.1 second per beep). After
that, it will resume previous regular operation.