System Errors - Denso BHT-1505B User Manual

BHT-1500B Series

7.1 System Errors

The error messages that display on the screen and the causes and countermeasures to be taken if an error occurs
when the power is turned ON or while running a program are shown below.
Message
204
BHT Response
If this error occurs, the
warning tone beeps five
times and then turns itself
off.
If low battery is detected, the
warning tone beeps three
times. After that, it will
resume previous regular
operation.
The date and time settings
screen displays, awaiting
entry.
Cause
A System Program error
has occurred.
The battery output level
has dropped below a
specified lower limit.
The calendar clock
integrated in the BHT has
stopped because:
- the battery cartridge had
been removed for a
long time,
- the battery cartridge had
not been recharged for
a long time.
Countermeasure
Contact your system
administrator.
Replace or recharge the
battery cartridge.
Set the current date and
time. (Refer to Chapter 2
"BHT Preparation" – 2.4
"Initial Setup")