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AS-10.22.027
12 (54)
(-) 2006-11-10
KONE MonoSpace®
Maintenance Instruction
© 2006 KONE Corporation
All rights reserved.
Disclosure prohibited
APPENDIX A. MAIN SWITCH OR POWER LEDS ON LOP230 OR LOPCB ARE NOT OK
A.1
Main Switch 220 is ON but main power seems to be OFF
Step
Check
Possible cause
Action
1
Measure all
phases before the
main switch.
A phase is
missing?
Problem with the power
supply in the building.
Contact the building
administrator/owner.
2
Measure all
phases after the
main switch.
A phase is
missing?
Loose wire or defective
switch.
Ensure that the wires are
properly connected. Replace
the switch if it is defective.
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P15000017.wmf