Kone MX20 - Test ETSL: Top, Empty Car

KONE Maintenance Method
MX10 / MX20 MCP Procedures - ASME A17.1-2013 / CSA B44-13
© 2014 KONE Corporation PSK8-604-MX10/MX20
All rights reserved.
110 (-) 2014-12-15
11) Watch ETSL LED’s CAR BOT Switch and
MOTOR BOT switch on ETSL board.
• As soon as CAR BOT switch and MOTOR
BOT switch LED's turn on, car will drop main
brake and slide to a stop.
• Fault 217 appears on user interface.
• If elevator stops short of bottom floor,
elevator will recover and level into floor.
If elevator slides onto final limit switch perform
following steps.
• Put elevator on inspection, 270 switch
DOWN.
• Temporarily jumper LCEADON2 XH1/1-5.
• Run elevator up above final limit.
• Remove temporary jumper from
LCEADON2 XH1/1-5.
• Return elevator to normal operation.
• Verify buffer returns within 90 seconds.
Test ETSL: top, empty car
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 bottom terminal floor.
4) Remove any test weights. Car must be empty.