3.10.3 ALT 1 AND/OR 2 WARNING LIGHTS - ALTERNATOR FAILURE
Alternator failure is evidenced by the illumination of the ALT 1 and/or ALT2
charge warning light.
In the case of ALT 1 warning light illuminating:
1. Pitot switch (optional) - switch off heated pitot (if weather
condition permits)
2. Ammeter on EMS - check for positive battery charge
3. Equipment switches - reduce power consumption to ensure
positive battery charge if required.
In the case of ALT 2 warning light illuminating:
1. ALT 2 switch - off for 10 seconds
2. ALT 2 switch - on
--------------------------
If ALT 2 warning light stays on:
3. Switch off ALT 2 and other equipment to reduce power consumption to
maximum 14 A – consult table on next pages for total load calculation
4. Continue flight ensuring power consumption below 14 A in all cases. Ammeter
on EMS should show positive charge.
NOTE
Flight can be continued safely with ALT 1 inoperative, however power supply
redundancy of Main Fuel Pump is not ensured anymore.
In this case, it is recommended to leave the Auxiliary Fuel Pump on
throughout the flight.
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