Kone MX20 - Page 81

KONE Maintenance Method
MX10 / MX20 MCP Procedures - ASME A17.1-2013 / CSA B44-13
© 2014 KONE Corporation PSK8-604-MX10/MX20
All rights reserved.
81 (-) 2014-12-15
1. Guard first floor landing with guards (or landing where test will be performed if other than first
floor) so no people can enter elevator during test.
2. Make sure car is EMPTY.
3. Disable hall calls using INHIBIT CALLS switch on CPU.
4. EBR: Open the C01 connection to remove 230VAC from the EBR UPS.
• Manual brake release: Temporarily disable emergency brake release lever as follows to
keep manual release handle from opening emergency brake.
• MX10 and MX20 machines: Run screw
(1) down completely on emergency brake. If
necessary remove nut (2).
5) Set parameter EBRAKE HOLD TIME, menu 5-10 to 30 seconds.
6) Place car call to bottom terminal landing.
7) After the elevator starts, hold the main brake open as follows:
If EBR: Turn the SWM key switch only. Do not turn SWE knob switch.
If Manual Release: Pull manual release lever, and continue to hold open until test is complete.
• Elevator will arrive at floor, stop and electrically release brake. Main brake will not set.
• Elevator will roll back.
• ACUM will activate and drop emergency brake.
• Faults 179 and/or 180 appear on user interface (some other faults may also appear).
Note: With permission from inspecting authority, this test can be performed with car doors
closed.
WARNING! Car will move up rapidly when brake is released. Be prepared to release manual
release handle if elevator does not stop within 10 feet [3 m] of travel.
8) Release manual release handle, or SWM key switch, after emergency brake sets and stops
elevator.
9) Put elevator on MACHINE ROOM INSPECTION by putting switch 270 down.
10) Verify following on ADON2 board.
• Red LED’s labeled fault ch1 and/or fault ch2 are ON.
• Yellow LED at end of relay K464:2 is OFF.
11) Measure distance from car sill to bottom floor sill.
• Sill-to-sill distance must be less than 48 inches [1220 mm].