HOAC AUSTRIA
DV 20 Flight Manual
Emergency Procedures
(b) Low Voltage Caution Light (LoN-Caution Light)
This caution light illuminates if the on-board voltage (13.75V) drops below the threshold of 1 2.5 Volts.
Possible reason for voltage drop:
- Defective Power Supply
- RPM too low
- Operation of too many electrical consumers (equipment)
I. LON-CAUTION LIGHT ILLUMINATED WHILE AIRPLANE ON GROUND
RPM
Landing Lights
Position Lights
Ammeter
1200 RPM
OFF
OFF
check
1 .
2.
3.
4.
5.
If the LoN-caution light continues to
be illuminated, and the ammeter is in
the left side field (-)
discontinue any planned flight activity.
II. LON-CAUTION LIGHT ILLUMINATED DURING FLIGHT:
1 .
2.
3.
Landing Lights
Ammeter
If the LoN-caution light continues to
be illuminated, and the ammeter is in
the left side field (-): Defective
Generator
OFF
check
Referto paragraph 3.3.9.(a)
III. LON-CAUTION LIGHT ILLUMINATED DURING LANDING:
1 .
After Landing
Revision No.
Reference
proceed in accordance with
paragraph 3.3.9.(b)1.
Date
October 20, 1 993
Page
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