Diamond Aircraft DV 20 E 2022, Airplane Maintenance Manual

Page: 395 / 903

AIRCRAFT
DV 20 E AMM Flight Controls
Trouble Possible Cause Repair
Doc # 4.02.25
Rev. 2
27-50-00
Page 103
15 Mar 2022
Flaps will not move to LDG
position. Flaps move to T/O
and CRUISE correctly.
Micro-switch 4 defective.
Open circuit in the micro-switch 4
wiring.
Replace the micro-switch.
Do a continuity test of the
wiring. Repair or replace the
defective wire.
Flaps will not move to CRUISE
position. Flaps move to T/O
and LDG correctly.
Micro-switch 1 defective.
Open circuit in the micro-switch 1
wiring.
Replace the micro-switch.
Do a continuity test of the
wiring. Repair or replace the
defective wire.
No LDG indication when the
flaps are in the LDG position.
Flaps will not move from LDG
to T/O. Flaps move from LDG
to CRUISE correctly.
Micro-switch 5 defective.
Open circuit in the micro-switch 5
wiring.
Replace the micro-switch.
Do a continuity test of the
wiring. Repair or replace the
defective wire.
No CRUISE indication when
the flaps are in the CRUISE
position. Flaps will not move
from CRUISE to T/O. Flaps
move from CRUISE to LDG
correctly.
Micro-switch 2 defective.
Open circuit in the micro-switch 2
wiring.
Replace the micro-switch.
Do a continuity test of the
wiring. Repair or replace the
defective wire.
No T/O indication when the
flaps are in the T/O position.
Flaps move to all positions
correctly.
Micro-switch 3 defective.
Open circuit in the micro-switch 3
wiring.
Replace the micro-switch.
Do a continuity test of the
wiring. Repair or replace the
defective wire.
Flap circuit-breaker opens at
the end of down movement.
Micro-switch 4 defective. Replace the micro-switch.
Flap circuit-breaker opens at
the end of up movement.
Micro-switch 1 defective. Replace the micro-switch.
LDG light stays on when the
flaps are not in the LDG
position. The other indications
operate correctly.
Micro-switch 1 defective.
Long side of cam making
contact.
Replace the micro-switch.
Rotate switch tray.