Kone MX20 - Leveling Zone and Leveling Speed; Power Opening of Doors

KONE Maintenance Method
MX10 / MX20 MCP Procedures - ASME A17.1-2013 / CSA B44-13
© 2014 KONE Corporation PSK8-604-MX10/MX20
All rights reserved.
112 (-) 2014-12-15
8.6.4.20.7: POWER OPENING OF DOORS
Examine the power opening of the doors. Make sure power opening can occur only when the car
is with 18” of the landing.
WARNING! Prevent persons from attempting to enter elevator during following tests by
guarding the entrance at the landing where the tests will be performed.
1) Show that the door zone is 150 mm (6 inches) long. Make actual measurement of the door zone.
2) With elevator on normal operation, run the elevator to a floor and allow the doors to open.
With doors open, manually open the brake and allow the elevator to drift UP 1-2 inches (25.4 -
50.8 mm).
Successful test: elevator should re-level with doors open.
Note: With EBR: disconnect C01 connector to allow EBR to open brakes with power on.
3) With elevator on normal operation, run the elevator to a floor and allow the doors to open.
With doors open, manually open the brake and allow car to drift out of door zone, 3 - 4 inches.
Successful test: elevator should close the doors and then re-level into floor.
4) With elevator on normal operation, run elevator to a floor and allow doors to open.
Successful test: elevator is substantially at floor level BEFORE doors are fully open.
8.6.4.20.8: LEVELING ZONE AND LEVELING SPEED
1) Disable hall calls by sliding LCECPU switch
261 to left.
Note: Ensure no passengers are in car.
2) Turn off power.
3) Change param set-run slider switch on ADON2 board to SET.
4) Turn on power.
5) Access SL1 speed setting at UI menu 5-20-9 and change value to 1.
Note: Lowers door zone supervision speed to 2 FPM.