7 Troubleshooting
Fault Cause Remedy
Landing gear cannot be lowered, or only
with difficulty
Connection shaft too long
Landing gear or inside tube bent
Spindle or gear defective
Shorten the connection shaft
Repair landing gear
Landing gear can only be lowered until it
touches the ground
Incorrect gear engaged Engage low gear before contact with the
ground
Gear cannot be changed Gear defective Repair landing gear
Landing gear cannot be retracted, or only
with difficulty
Connection shaft too long
Landing gear or inside tube bent
Spindle or gear defective
Shorten the connection shaft
Repair landing gear
14 MUB 006 003 M01 (REV-A) 07-2020 Modul B & OPTIMA