Description
Otis Elevator GECB-AP Board DBA26800AY2 Brief Introduction
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Product Name |
Otis Elevator GECB-AP Board |
| Model Number |
DBA26800AY2/3/5/6/7/8/9 |
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Quality
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Original.Brand New
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Payment
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T/T. Paypal. Western Union
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Delivery
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3-5 Working Days
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Packaging
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Packed by carton
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Otis Elevator GECB-AP Board DBA26800AY2 – Advanced Processing for Safer, Smarter Elevator Control | Nanjing Zhuye Elevator Parts
Inside every modern Otis elevator, countless decisions are made every second: which floor to stop at, when to open the doors, when to switch to fire-service mode, and how to optimise group dispatch. The GECB-AP (Advanced Processor) board DBA26800AY2 is the brain that handles it all. Built on a dual-core safety CPU and equipped with high-speed communication interfaces, this board ensures smooth, safe, and energy-efficient operation. When it fails, the whole system can grind to a halt. Nanjing Zhuye Elevator Parts keeps genuine DBA26800AY2 boards in stock, pre-flashed with the latest firmware and ready for same-day despatch—helping you restore full control without costly OEM delays.
Product snapshot
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Otis part number DBA26800AY2, hardware rev. AY2, firmware GECB-AP-21.3
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Dual ARM Cortex-A53 + M4 safety core, SIL-3 cross-check, 1 GHz, 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, 0.96 kg, plug-in header, hot-swap compatible
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CE, UL, RoHS, REACH and Otis QES 2024 approved
Where it works
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Otis Gen2® Life, Gen2® Switch, Gen2® Flex, 4200/5200 high-speed lifts up to 4 m/s, 1 350 kg
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Group installations up to 8 cars with energy-scheduling and dynamic dispatch
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Modernisation packages replacing obsolete GECB 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 GECB-AP board out of DIN rail.
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Insert new DBA26800AY2 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 Otis GECB Tool (OGT-AP) 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 v21.3 in maintenance book.
Replacement cycle & preventive maintenance
Although solid-state, CPU boards live in a harsh world—vibration, voltage spikes, summer heat. Otis bulletin SB-GECB-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 DBA26800AY2 in every service room; at 0.96 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 “GECB 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 an Otis-authorised distributor, importing DBA26800AY2 directly from the Czech factory, pre-loading firmware GECB-AP-21.3 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 GECB-AP Board DBA26800AY2 is the silent brain that turns steel and copper into a smooth, safe ride. By installing the genuine Otis unit, following the torque schedule and replacing it before capacitors age, you eliminate mysterious stops, group faults and costly passenger complaints. Stock genuine DBA26800AY2 from Nanjing Zhuye Elevator Parts today—because when the brain stops, the whole building stops.
