Description

Elevator LOP Panel LED-500: Usage, Replacement Cycle & Maintenance Guide
By Nanjing Zhuye Elevatorparts

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Introduction
The LED-500 Landing Operating Panel (LOP) is a sleek, high-brightness LED display designed for modern elevator lobbies. Manufactured by Nanjing Zhuye Elevatorparts, this IP54-rated panel meets EN 81-20/50 and ASME A17.1 standards, offering clear floor indication, call buttons, and optional multimedia functions. This 800-word guide covers correct installation, daily operation, and the recommended replacement cycle to ensure passenger safety and code compliance.

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1. Product Highlights
– Display: 5-inch high-brightness LED, 192×64 dots, 500 cd/m² visible in sunlight
– Buttons: Stainless-steel, 1 million+ cycles, illuminated ring
– Interface: RS-485, Modbus RTU, optional CANopen
– Power: 24 V DC ±10 %, <5 W consumption
– Housing: IP54 ABS, anti-UV, –20 °C to +70 °C
– Mounting: Surface or flush, 30 mm button holes, custom colours available

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2. Installation Method
Step 1 – Preparation
De-energise the landing controller; lock-out/tag-out and verify zero energy. Record serial number and firmware version.

Step 2 – Mounting
Position panel 1.2 m above floor, within 0.5 m of door jamb. Drill 30 mm holes for buttons; secure with M4 screws (torque 2 N·m).

Step 3 – Wiring
Route shielded CAT5e cable through PG9 gland. Connect:
– 24 V DC power (red/black)
– RS-485 A/B (white/orange)
– Button inputs (individual cores)
Earth shield at controller only.

Step 4 – Commissioning
Power-up; LED should light full brightness. Teach-in floor numbers and button functions via service tool. Test call, cancel, and display accuracy.

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3. Daily & Preventive Maintenance
Daily (Building Staff)
Visual check – LED bright, buttons respond, no cracks or moisture.

Monthly
Wipe panel and buttons with 70 % IPA; check button travel and illumination.

Quarterly
Measure 24 V rail (±1 V) and RS-485 signal (>2 V diff). Cycle buttons 100×; log any sticking or dim LEDs.

Annually
Replace desiccant pack inside enclosure. Perform full function test including emergency stop and fire-mode display.

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4. Replacement Cycle & Indicators
| Duty Cycle | Replace Every | Warning Signs |
| Standard residential | 7–8 years | LED dim, buttons sticky |
| Commercial / hospital | 5–6 years | Display flicker, button failure |
| High-traffic / outdoor | 3–4 years | UV yellowing, IP54 failure |

Replace immediately if:
– LED brightness <70 % of original
– Button contact resistance >1 Ω
– Repeated “display fault” logs
– Physical damage or water ingress

Maintain one spare LED-500 per 20 landings for <4-hour response.

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5. Why Choose Nanjing Zhuye Elevatorparts?
• Full traceability—laser-etched serial and QR code on every panel.
• Same-day dispatch to 60+ countries via DHL/FedEx Express.
• 24/7 multilingual hotline and on-site training.
• Competitive tiered pricing and custom colours for OEM projects.

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6. Conclusion
The LED-500 LOP panel is the passenger’s first impression of your elevator. By following the installation, testing, and replacement guidelines—and sourcing only from Nanjing Zhuye Elevatorparts—you guarantee code compliance, reduce downtime, and enhance user experience.