129Chapter 4. Error Messages4.1 System ErrorsIf some error occurs when the power is turned on or during program execution, one ofthe following error messages will appear on the LCD.Low battery indication—Level 1■ ProblemWhen the power is turned on or off or during ex-ecution of program (System Mode or application),the battery output level has dropped below aspecified lower level limit.If low battery is detected, the BHT displaysthis message for approx. 2 seconds and beepsthree times (for 0.1 second per beep). Afterthat, it will resume previous regular operation.■ SolutionThe battery recharge or replacement time willcome soon.If the BHT is loaded with the rechargeable batterycartridge, replace or charge it. (For the chargingprocedure, refer to Chapter 5, Section 5.5.)If the BHT is loaded with the dry battery cartridge,replace the dry cells.System Program error■ ProblemA System Program error has occurred.If this error occurs, the BHT beeps five times(for 0.1 second per beep) and then turns itselfoff.■ SolutionContact your nearest dealer.
