Error Messages - Denso BHT-7500W Operator's Manual

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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.

Error Messages

System Program error
Problem
A System Program error has occurred.
If this error occurs, the BHT beeps five times
**
(for 0.1 second per beep) and then turns itself
off.
Solution
Contact your system administrator.
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 speci-
fied lower level limit.
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.
Solution
The service life of the rechargeable battery car-
tridge will expire soon, requiring replacement or re-
charge.
Replace it with a fully charged battery cartridge or
charge it.

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