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🔧 KONE 3000 LCE Indicator Guide (MRL Elevator) Working with KONE 3000 MRL elevators?

Published June 22, 2026 linkedin verified
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🔧 KONE 3000 LCE Indicator Guide (MRL Elevator) Working with KONE 3000 MRL elevators? Understanding LCE indicator lights can significantly improve troubleshooting efficiency. 🚨 Key Status Indicators 🔴 Emergency Alarm ON = Alarm active OFF = No alarm 🔴 Lift in Fault ON = Elevator fault, cannot run OFF = Normal operation 🟡 CPU Running ON = CPU running normally OFF = CPU stopped 🟡 Inspection Mode Indicates inspection / normal / car top status 🟢 Communication & Power 🟢 Car Communication OK Normal data exchange between boards 🟢 Shaft Communication OK Normal communication with shaft devices 🟢 +24V /…

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🔧 KONE 3000 LCE Indicator Guide (MRL Elevator)

Working with KONE 3000 MRL elevators?

Understanding LCE indicator lights can significantly improve troubleshooting efficiency.

🚨 Key Status Indicators

🔴 Emergency Alarm

ON = Alarm active

OFF = No alarm

🔴 Lift in Fault

ON = Elevator fault, cannot run

OFF = Normal operation

🟡 CPU Running

ON = CPU running normally

OFF = CPU stopped

🟡 Inspection Mode

Indicates inspection / normal / car top status

🟢 Communication & Power

🟢 Car Communication OK

Normal data exchange between boards

🟢 Shaft Communication OK

Normal communication with shaft devices

🟢 +24V / +5V Power OK

Stable power supply to control system

🟢 V3F OK

Drive system operating normally

⚙️ Control & Operation Signals

🟡 Start Permit

Main contactors activated

🟡 Main Contactor

Control signal status

🟡 Drive Needed

System requests elevator movement

🟡 Open / Close Door Command

Door operation signals active

🟡 Door Contact

All doors closed status

🛡️ Safety & Protection

🟢 Safety Input

Safety circuit status before door zone

🟡 Photocell

Light curtain blocked / clear status

🟡 Open Button

Car door open button signal

💡 Practical Tips

✔ Red light = Check immediately

✔ Green light = System OK

✔ Yellow light = Signal / status indicator

👉 Start diagnosis from:

Fault light

Communication

Power supply

Door & safety signals

⚠️ For reference only. Actual configuration may vary by project.

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Original source: https://www.linkedin.com/posts/hqlifts_koneelevator-elevatorparts-huqiang-activity-7474731760094695424-fWRv