SELFTEST IS ON; ON-LINE SELFTEST screen – this screen, shown in Figure 10, indicates that Selftest is on, and On-Line Selftest is active. This Selftest is conducted using utility power.
Figure 10. SELFTEST IS ON; ON-LINE SELFTEST Screen
SELFTEST IS ON; ON-BATTERY SELFTEST screen – Figure 11 shows that an ON-BATTERY SELFTEST is active with the unit internally switched to derive power from the internal battery pack, which should already be connected within the unit. The ON BATTERY LED is also lit (on) during this test. The unit will also test to determine if an optional external battery pack (Model SBATT) is connected to the unit. If no external battery pack is connected to the unit, the message NO EXTERNAL BATTERY CONNECTED) will be displayed, as shown in Figure 12.
Figure 11. SELFTEST IS ON; ON-BATTERY SELFTEST Screen
