Description

• Precise Data Replication: Reads and duplicates data from PA25AA256 chips with a bit error rate of ≤0.001%, ensuring all critical elevator parameters (e.g., floor alignment, door opening delay) are preserved—avoiding time-consuming parameter reconfiguration.

• User-Friendly Operation: Features a one-click “Read-Backup-Duplicate” workflow and intuitive LCD menu (with English/Chinese language options), requiring no advanced technical skills—reducing training time for maintenance teams.

• Broad Compatibility: Works with all Otis GECB/GDCB boards equipped with PA25AA256 chips; includes 4 interchangeable chip sockets (adapting to different chip package types: DIP8, SOP8) to avoid socket mismatch issues.

• Portable & Durable: Powered by a 5V USB port (compatible with laptop or portable power banks) for on-site maintenance; constructed with an ABS plastic shell (resisting impact and dust) and a anti-slip base—suitable for use in elevator machine rooms or tight shaft spaces.

1. Pre-Operation Preparation:

• • Power Safety: Ensure the GECB/GDCB control board is disconnected from the elevator’s main power supply (execute LOTO procedure) to prevent voltage surges from damaging the replicator or chip.

• • Confirm Compatibility: Use Nanjing Zhuye Elevator Parts’ free online tool (via their official website) to verify the control board’s memory chip is the PA25AA256 model (check the chip’s surface printing for “PA25AA256”).

• • Gather Tools: The replicator kit (supplied by Nanjing Zhuye Elevator Parts) includes the main device, 4 interchangeable sockets (DIP8/SOP8), a USB data cable, a chip extraction tool, and a user manual.

2. Data Backup (From Healthy Chip):

• • Extract the PA25AA256 chip: Use the chip extraction tool to gently remove the memory chip from the GECB/GDCB board (avoid bending the chip’s pins).

• • Install the chip into the replicator: Select the matching socket (e.g., DIP8 for through-hole chips, SOP8 for surface-mount chips) and insert the chip into the socket (align the chip’s “pin 1” mark with the socket’s indicator).

• • Connect and power on: Connect the replicator to a laptop via the USB cable (powered by the laptop’s USB port); turn on the replicator— the LCD display will show “Ready”.

• • Read and backup data: Press the “Read” button on the replicator— the display will show “Reading Data” (takes 5-10 seconds). Once completed, press “Backup” to save the data to the replicator’s internal storage (or to the laptop via USB). The display will confirm “Backup Successful” when done.

3. Data Duplication (To New Chip):

• • Prepare a new PA25AA256 chip (supplied by Nanjing Zhuye Elevator Parts, guaranteed to be compatible with Otis systems).

• • Insert the new chip into the replicator’s socket (same socket type as the original chip).

• • Select the backup data: Use the replicator’s menu to choose the previously saved backup file (displayed as “Backup_XXXXXX.bin”).

• • Start duplication: Press the “Duplicate” button— the display will show “Writing Data” (takes 8-12 seconds). Do not disconnect the power during this process. Once completed, the display will show “Duplication Successful”.

• • Verify data: Press the “Verify” button to compare the new chip’s data with the backup file— a “Verify Passed” message confirms the duplication is accurate.

4. Chip Installation (To Control Board):

• • Insert the duplicated chip back into the GECB/GDCB board’s socket (align “pin 1” correctly— misalignment will damage the chip or board).

• • Reconnect the control board to the elevator’s power supply (follow Otis’s wiring guidelines).

• • Test the control board: Enter the elevator’s maintenance mode and check if the control board operates normally— verify parameters (e.g., door speed, floor call response) and clear any residual fault codes. If issues occur, contact Nanjing Zhuye Elevator Parts’ 24/7 technical support.

• Normal Use (10-15 times per month, for routine data backups or occasional chip replacements): Service life of 5 to 7 years.

• High-Frequency Use (30-50 times per month, for maintenance companies servicing multiple Otis elevators): Service life of 3 to 4 years.

• Harsh Use (frequent use in dusty machine rooms, or exposure to extreme temperatures/humidity): Service life may be shortened to 2 to 3 years.

1. Storage Care: Store the replicator in the anti-static bag (provided by Nanjing Zhuye Elevator Parts) when not in use; avoid placing it near magnetic devices (e.g., screwdrivers with magnets) or high-temperature equipment (e.g., elevator motor vents)—magnetic fields and heat can damage the data reading module.

2. Socket Maintenance: Clean the chip sockets every 3 months using a dry, soft brush (remove dust or oxidation); avoid using alcohol or other solvents—these can corrode the socket contacts. If a socket becomes loose (causing poor chip contact), replace it with a genuine socket from Nanjing Zhuye Elevator Parts.

3. Software Updates: Connect the replicator to a computer quarterly and download the latest firmware from Nanjing Zhuye Elevator Parts’ official website—updates include compatibility improvements for new Otis GECB/GDCB board versions and data security enhancements.

4. Battery Care (for battery-powered models): If using the replicator’s built-in lithium battery, charge it fully before first use and avoid over-discharging (do not use until the battery is completely dead)—this extends battery life to 2-3 years. Replace the battery with a Nanjing Zhuye-approved unit when it no longer holds a charge.

• Data Errors: Frequent “Verify Failed” messages (even after cleaning sockets and using new chips) indicate a faulty data reading module.

• Hardware Malfunctions: The LCD display is unresponsive, or the USB interface fails to connect to computers—repairs are often more costly than replacing the device.

• Compatibility Issues: The replicator cannot recognize new PA25AA256 chip versions (used in updated Otis GECB/GDCB boards) and firmware updates do not resolve the problem.

• Genuine Compatibility: Each replicator is calibrated specifically for Otis PA25AA256 chips and GECB/GDCB boards—avoiding data corruption risks common with generic replicators.

• Comprehensive Support: The replicator kit includes a 1-year warranty, free technical training (via video tutorials or on-site sessions), and a dedicated support team to assist with on-site troubleshooting.

• Value-Added Services: Nanjing Zhuye Elevator Parts offers a “Chip Recovery Service”—if the original PA25AA256 chip is severely damaged, their engineers can extract data using specialized equipment (a service exclusive to replicator buyers).

• Fast Delivery: Global shipping takes 3-5 business days for major markets (Europe, North America, Asia), ensuring maintenance teams can quickly resolve GECB/GDCB chip failures.