Keysight U1253B Guía Del Usuario Y Servicios página 154

Figure 5-4
Table 5-2 Error messages
Error
OVER LIMIT
1 No battery inside
2 Faulty battery
3 Battery is fully charged
CHARGE ERROR
1 If charging battery more than 12 V or less than 5 V
2 In 3 minutes, if the battery voltage does not go
upwards then charge error
Keysight U1253B User's and Service Guide
Performing self-test
Error message
Maintenance 5
153