Using The Bht After Long Non-Use; Troubleshooting Guide - Denso BHT-1200 Series Operator's Manual

Using the BHT after Long Non-Use

Data stored in the BHT may be lost or damaged and the calendar clock may stop if the BHT is left
unused for a long period of time.
・Keep a backup copy of important or critical information.
・Reset the calendar clock if it is stopped.
・The battery is also used as a backup power source. You should not remove the battery from the BHT
for at least 2 days until memory backup power is fully charged.
Please refer to the User's Manual for more information on trouble shooting.

Troubleshooting Guide

Problem
 Make sure that the battery is properly inserted into the BHT.
 Check the battery power level and charge the battery if necessary.
 Wipe any dirt from the battery and BHT terminals.
Problem
 Make sure that the Cradle is being used.
 Make sure that the battery is properly inserted into the BHT.
 Make sure that the BHT has been properly placed on the Cradle.
The BHT LED will turn red when properly placed on the Cradle.
 Wipe any dirt from the battery and BHT terminals.
 If the battery in use is an old one that has been repeatedly charged 300 times or more,
or if more than one year has elapsed, replace it with a new one.
Problem
 Make sure that the battery has been fully charged. If not, charge the battery.
 The BHT may be set to auto power OFF. If so, the BHT will automatically turn OFF when it is not used
for the specified period of time.
The auto power OFF setting can only be changed with the user program.
If the BHT cannot be tuned ON even after taking all the above measures, there is a possibility that the
Cradle is broken. Notify the system administrator.
Refer to the User's Manual for appropriate measures if an error message is displayed on the BHT
during the operation.
The BHT power does not turn ON.
The BHT cannot be charged.
The BHT unexpectedly turns OFF