KONE Maintenance Method
MX10 / MX20 MCP Procedures - ASME A17.1-2013 / CSA B44-13
© 2014 KONE Corporation PSK8-604-MX10/MX20
All rights reserved.
100 (-) 2014-12-15
6) Temporarily jumper top 136:U switch. Terminal XH23/1-2 on LCEADON2). Note: Overrides
ETS switch.
• If using ETSL, temporarily remove XME and XCT connectors from ETSL board1, so that
ETSL boards do not see the car (OSG) encoder or motor encoder signals. Note:
Overrides
ETSL switch.
7) Activate Counterweight Buffer Test.
• Set UI menu 6-72-3. Note: Overrides normal stopping means (part 1).
8) Take elevator off inspection.
9) Back out of menu 6 until car position displays on User Interface.
10) Give car call to top terminal floor.
11) After 77:N turns off, press and hold Buffer Test button.
• Elevator will now perform a counterweight buffer test. Note: Overrides NTS.
12) Put elevator on machine room inspection.
13) Run counterweight frame off buffer.
• Temporarily jumper LCEADON2 XH1/1-5 (final limit).
• Run counterweight off buffer.
• Remove temporary jumper from LCEADON2 XH1/1-5 (final limit).
• Remove temporary jumper from LCEADON2 XH23/1-2 (136:U).
• If ETSL board is used, reinstall XCT1 and XME1.
• Verify that counterweight buffer returns to full extension within 90 seconds.
• Cycle controller power to reset any faults if necessary.
• Remove the car safety tie down.
Category 5 testing of reduced stroke car oil buffers
Perform test only on elevators equipped with ETSL and reduced stroke buffers.
1) If there is a counterweight safety, tie down
the counterweight safety lever to prevent
counterweight safety from engaging.
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