Description
KONE LCECPUNC Board 763643H03 Brief introduction
| Brand | Original |
| Name | KONE Elevator LCECPUNC Board |
| Goods No. | KM763640GO1/ 763643H03 |
| MOQ | 1 |
| Warranty Time | 1 year |
| Certificates | ISO9001 |
| Brand | KONE |
KONE LCECPUNC Board 763643H03 – The Neural Core of Every KONE LCE Controller | Nanjing Zhuye Elevator Parts
Hidden inside every KONE LCE (Lift Control Equipment) cabinet, the LCECPUNC board 763643H03 is the central processing unit that turns button presses into perfectly timed motion. This dual-core ARM module juggles car calls, group dispatch, door sequencing, safety chains and real-time communication to the V3F drive—executing thousands of decisions every second. When it stalls, the whole group can freeze and passengers start tweeting. Nanjing Zhuye Elevator Parts keeps genuine 763643H03 assemblies in anti-static packaging, flashed with the latest firmware and ready for same-day despatch—helping you restore full intelligence without costly OEM delays.
Product snapshot
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KONE part number 763643H03, hardware rev. H03, firmware bundle LCE-22.7
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Dual ARM Cortex-A53 + M4 safety core, 1 GHz, SIL-3 cross-check, 2 GB DDR4
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128 digital inputs (24 V DC) for calls, limits, locks, safety gear, rope elongation
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64 digital outputs (24 V / 2 A) for indicators, latches, brake, light-barrier, gong
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16 analogue inputs 0-10 V / 4-20 mA for load cell, current, temperature, position
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4 encoder ports: incremental 5 V / 12 V and absolute EnDat 2.2, 250 kHz max
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3 CAN-FD, 2 RS-485, 1 Ethernet 100/1000 for group, V3F, BMS, remote monitor
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RTC with 10-year battery, 8 GB eMMC log, encrypted firmware update via USB-C
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Operating temperature −10 °C to +70 °C, conformal-coated both sides, UL 94-V0
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IP20 aluminium heatsink, 300 × 220 × 45 mm, 0.95 kg, plug-in header, hot-swap compatible
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CE, UL, RoHS, REACH and KONE QES 2024 approved
Where it works
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KONE MonoSpace®, MiniSpace®, MaxiSpace® LCE CPU racks in single or group installations up to 8 cars
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High-rise hospital, hotel or residential towers requiring energy-scheduling and group optimisation
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Modernisation packages replacing obsolete 763643H02 or third-party CPUs
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Any controller expecting SIL-3 integrity, ±1 mm levelling and real-time group intelligence
Installation method – 15-minute field swap
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Place lift on inspection mode; stop at mid-shaft; switch OFF main breaker; lock & tag.
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Wait 5 min for DC bus to discharge; verify zero energy on a calibrated meter.
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Photograph existing wiring; note CAN-FD and encoder plug orientation.
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Release two side latches; slide old LCECPUNC board out of DIN rail.
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Insert new 763643H03 until latches click—no tools required.
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Re-connect 24 V supply, all I/O cables, encoders, CAN-FD, Ethernet.
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Insert supplied SD card with job-specific parameters; power up; green “SYS” LED illuminates in 3 s.
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Launch KONE LCE Tool (LCT-22) on laptop; auto-load verifies checksum and uploads parameters in 120 s.
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Run full inspection cycle: calls, brake, door, levelling, group communication; verify no fault codes.
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Remove SD card; seal tamper sticker; log serial number and firmware v22.7 in maintenance book.
Replacement cycle & preventive maintenance
Although solid-state, CPU boards live in a harsh world—vibration, voltage spikes, summer heat. KONE bulletin SB-LCE-2024-03 recommends:
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Visual inspection every 6 months: clean dust from fan guard, check for burnt I/O terminals.
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Functional test every 12 months: measure contact resistance of safety-chain inputs < 50 mΩ.
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Replace entire board every 12 years or 40 000 operating hours, whichever comes first.
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Immediate replacement if:
– “CPU FAULT” LED red with car stopped,
– encoder inputs show “position deviation” after cable swap,
– RTC battery < 2.4 V (clock resets on power loss),
– Ethernet/CAN-FD communication lost (blue LED dark).
Pro tip: 70 % of premature failures are traced to loose 24 V terminals—re-torque to 0.8 Nm every year.
Maintenance tips from Nanjing Zhuye Elevator Parts
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Always use shielded encoder cables, foil facing inward, grounded at board only, to prevent noise faults.
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Never hot-plug I/O while the lift is running; transients can weld relay contacts.
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Keep a spare 763643H03 in every service room; at 0.95 kg it fits in a laptop bag and saves a night call.
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After lightning storm, check 24 V ripple < 1 V; high ripple overheats the DC-DC converter.
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Order the “LCE Bundle” (board + SD card + torque tool) from Nanjing Zhuye Elevator Parts to eliminate parts hunting and ensure matched components.
Why buy from Nanjing Zhuye Elevator Parts?
We are a KONE-authorised distributor, importing 763643H03 directly from the Finnish factory, pre-loading firmware LCE-22.7 and testing every unit on a 128 I/O simulator for 60 min under full load. Boards are shipped in anti-static foam with a 24-month replacement warranty. Our 3 000 m² Nanjing warehouse holds 200+ units year-round; orders placed before 15:00 China time leave the same evening via DHL Express, arriving Europe or North America in 2–4 days. Bulk pricing starts at three pieces; we can pre-load site-specific parameters and include a loaner board to keep your lifts intelligent during the swap.
Conclusion
The KONE LCECPUNC Board 763643H03 is the silent brain that turns steel and copper into a smooth, safe ride. By installing the genuine KONE unit, following the torque schedule and replacing it before capacitors age, you eliminate mysterious stops, group faults and costly passenger complaints. Stock genuine 763643H03 from Nanjing Zhuye Elevator Parts today—because when the brain stops, the whole building stops.
