DA 40 AFM
Abnormal Operating
Procedures
Doc. # 6.01.01-E
Rev. 8
01-Dec-2010
Page 4B - 5
4B.3
FAILURES IN THE ELECTRICAL SYSTEM
(a) 'Low Voltage' Caution (VOLT or LOW VOLTS)
This caution is indicated when the normal on-board voltage (28 V) drops below 24 V.
Possible reasons are:
- A fault in the power supply.
- RPM too low.
(i) 'Low Voltage' Caution on the Ground:
1.
Engine speed . . . . . . . . . . . . . . . . . . . . . . . 1200 RPM
2.
Electrical equipment . . . . . . . . . . . . . . . . . . OFF
3.
Ammeter . . . . . . . . . . . . . . . . . . . . . . . . . . . check
If the caution light does not go out, and the ammeter flashes and reads
zero:
- Terminate flight preparation.
(ii) 'Low Voltage' Caution During Flight:
1.
Electrical equipment . . . . . . . . . . . . . . . . . . OFF if not needed
2.
Ammeter . . . . . . . . . . . . . . . . . . . . . . . . . . . check
If the caution light does not go out, and the ammeter flashes and reads
zero:
- Follow procedure in 3.7.2 (b) - ALTERNATOR FAILURE.
(iii) 'Low Voltage' Caution During Landing:
- Follow (i) after landing.
END OF CHECKLIST
Содержание DA 40
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