Kone MX20 - Test ETSL: Bottom, with 100% Load

KONE Maintenance Method
MX10 / MX20 MCP Procedures - ASME A17.1-2013 / CSA B44-13
© 2014 KONE Corporation PSK8-604-MX10/MX20
All rights reserved.
109 (-) 2014-12-15
Test ETSL: bottom, with 100% load
ETSL is required for all elevators equipped with reduced stroke buffers and for speeds > 700
FPM.
Perform ETSL board functional check prior to testing ETSL.
1) Capture elevator.
2) Disable hall calls and car calls by sliding LCECPU
switches 263 and 261 to left.
Note: Ensure no passengers are in car.
3) Drive elevator to top terminal floor.
4) Load elevator with 100% capacity load.
5) Put car on machine room inspection by putting switch 270 DOWN.
6)
Set UI menu 6-72-4, Car Buffer Test.
Note: Overrides normal stopping means.
7) Back out of menu.
8) Turn off inspection.
9) Register a call to bottom terminal floor.
• Car will start.
10) After 77:N turns off, press and hold buffer test button. Elevator will continue running down.