A
B
C A U S E S O L U TIO N
SWITCH
Problem: If the lift is not moving in either direction, there is no code on the
diagnostic display
Cause: The lift may be switched off.
Solution: Turn the lift on.
Problem: the lift travels in one direction only and the display shows a ā4/6ā.
Cause: there is an obstacle between the lift and the stairs.
Solution: move the lift in the opposite direction {A} and remove the obstacle {B}.
C A U S E S O L U TIO N
OBSTACLE