KONE Maintenance Method
MX10 / MX20 MCP Procedures - ASME A17.1-2013 / CSA B44-13
© 2014 KONE Corporation PSK8-604-MX10/MX20
All rights reserved.
99 (-) 2014-12-15
10) Give car call to bottom terminal floor.
11) After 77:U turns off, press and hold Buffer Test button.
• Elevator will now perform a car buffer test. Note: Overrides NTS.
12) Put elevator on machine room inspection.
13) Run elevator off buffer as follows:
• Temporarily jumper LCEADON2 XH1/1-5 (final limit).
• Run car off buffer.
• Remove temporary jumper from LCEADON2 XH1/1-5 (final limit).
• If using ETSL, reconnect XCT1 and XME1 on ETSL board 1.
• Remove temporary jumper from LCEADON2 XH23/1-3 (136:N).
• Verify that car buffer returns to full extension within 90 seconds
• Remove full load from car.
• Cycle controller power to reset any faults if necessary.
• Remove counterweight safety tie down, if any.
Category 5 testing of full stroke counterweight oil buffers
Test is not normally required for elevators with spring or neoprene buffers.
If testing an elevator equipped with reduced stroke buffer, refer to section: Perform buffer test,
counterweight: reduced stroke buffer.
1) Tie down the car safety.
2) Ensure that car is empty.
3) Drive elevator to bottom terminal floor.
4) Put elevator on inspection.
5) Disable hall calls and car calls by sliding
LCECPU switches 263 and 261 to left.
Note: Ensure no passengers are in car.
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