Dräger Savina 300, Technical Documentation Manual, Page: 146 / 166

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Function and condition test
Function tests
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4.2.4 Power supply unit
Electrical supply display
Prerequisites The Savina 300 is connected to the mains power supply.
Action • Set the Savina 300 to „Standby“ mode.
Test The LEDs on the front indicate the following operating states:
– „Mains power supply“ LED lit green; „External battery“ LED out
– „Internal battery“ LED lit „green“ when internal rechargeable batteries fully
charged or lit „yellow“ when the internal rechargeable batteries are charg-
ing.
Entry [________OK]
Internal supply voltage (internal battery)
Prerequisites Savina 300 is in „Standby“ mode.
Action • Cut the mains power supply to the Savina 300.
Test The acoustic alarm sounds. The message "Internal battery activated" is dis-
played on a yellow background. The LEDs on the front of the device indicate
the following operating states:
– „Mains power supply“ LED out; „External battery“ LED out
– „Interne battery“ LED lit „green“ or lit „yellow“
Action • Press the „Start/Standby“ key and switch the Savina 300 to „VC-CMV/VC-
AC“ mode.
Entry The blower runs up to speed. Ignore the error messages and alarms during
this test.
[________OK]
Action • Connect the Savina 300 to the mains power supply.
Power failure alarm
Action • Remove the fuse for the internal rechargeable battery. The fuse is located
on the rear panel of the unit.
Test The message " Internal battery is missing " is displayed on a red background.
Action • Press the „Alarm Reset“ key.
• Cut the mains power supply to the Savina 300.
Test All LEDs on the front are out. The acoustic power failure warning sounds.
Action • Switch off Savina 300.
Test The acoustic alarm stops.
Action • Re-insert the fuse for the internal rechargeable battery.
• Restore the mains power supply to the Savina 300.
• Switch on the Savina 300.
• Set the Savina 300 to „Standby“ mode.
NOTE
For the following tests do not connect any external battery or DC supply to
the Savina 300.