---
product_id: 69406283
title: "Elevator Blue Server Test Tool GAA21750AK3 Elevators Lift Operator Debugger Blue TT Service Test Tool use for Otis XIZI Otis Elevator"
brand: "fwqaodesi"
price: "NT$5667"
currency: TWD
in_stock: true
reviews_count: 8
category: "Fwqaodesi"
url: https://www.desertcart.tw/products/69406283-elevator-blue-server-test-tool-gaa21750ak3-elevators-lift-operator-debugger
store_origin: TW
region: Taiwan
---

# Double line LCD for clear data readout Universal OTIS & XIZI compatibility Unlimited use with powerful GECB data checks Elevator Blue Server Test Tool GAA21750AK3 Elevators Lift Operator Debugger Blue TT Service Test Tool use for Otis XIZI Otis Elevator

**Brand:** fwqaodesi
**Price:** NT$5667
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate your elevator diagnostics with the ultimate blue test tool!

## Quick Answers

- **What is this?** Elevator Blue Server Test Tool GAA21750AK3 Elevators Lift Operator Debugger Blue TT Service Test Tool use for Otis XIZI Otis Elevator by fwqaodesi
- **How much does it cost?** NT$5667 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/69406283-elevator-blue-server-test-tool-gaa21750ak3-elevators-lift-operator-debugger)

## Best For

- fwqaodesi enthusiasts

## Why This Product

- Trusted fwqaodesi brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Next-Level Debugging:** Most powerful version available, outperforming all other test tools on the market.
- • **Crystal Clear Display:** Double line LCD ensures precise, easy-to-read diagnostics every time.
- • **Plug & Play Efficiency:** Compact, corded electric design for reliable, on-the-go elevator system troubleshooting.
- • **Limitless Testing Power:** Unlimited usage with advanced GECB data checking and adjustment capabilities.
- • **Omnipotent Compatibility:** Works seamlessly with all OTIS and XIZI OTIS elevators for ultimate versatility.

## Overview

The Elevator Blue Server Test Tool GAA21750AK3 is a professional-grade diagnostic device designed for OTIS and XIZI OTIS elevators. Featuring a double line LCD display and unlimited testing capabilities, it offers superior functionality for elevator operators and technicians seeking precise, efficient debugging and data adjustment in a compact, durable form.

## Description

Note:due to the different production batches, the color of the product may be a little different, but the quality is the same , if mind the color please don't place a order ,thanks .Specification·Name: (GAA21750AK3) Elevator Blue Server Test Tool·Size: 178 x 96 x 42mm·Color: BlueFeatures ·Double line LCD display, key clear.Package Included 1 x Elevator Blue Server Test Tool

Review: Perfect - Perfect. If I needed another I'd buy it in a heartbeat.
Review: Recibí la herramienta en tiempo y forma... la probe y funcionó correctamente. :)

## Features

- This bule test tool can be used in all the OTIS and XIZI OTIS elevator
- This blue test tool (T / T) GAA21750AK3 is omnipotent version with unlimited times which can check and adjust GECB data
- This bule test tool has the most powerful function than other versions
- Double line LCD display key clear
- 100% NEW and ORIGIANL

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07BVTR9RC |
| Brand | FWQAODESI |
| Color | Blue |
| Date First Available | April 2, 2018 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 11.3 ounces |
| Item dimensions L x W x H | 0.7 x 0.38 x 0.17 inches |
| Item model number | GAA21750AK3 |
| Manufacturer | China |
| Measurement Type | Multimeter |
| Power Source | Corded Electric |
| Product Dimensions | 0.7 x 0.38 x 0.17 inches |

## Product Details

- **Brand:** FWQAODESI
- **Color:** Blue
- **Item Weight:** 0.32 Kilograms
- **Item dimensions L x W x H:** 0.7 x 0.38 x 0.17 inches
- **Power Source:** Corded Electric

## Images

![Elevator Blue Server Test Tool GAA21750AK3 Elevators Lift Operator Debugger Blue TT Service Test Tool use for Otis XIZI Otis Elevator - Image 1](https://m.media-amazon.com/images/I/71EU+IZPifL.jpg)

## Questions & Answers

**Q: Can i use for dover**
A: No you cannot use on a dover, and this shouldn’t be for sale on Amazon

**Q: Is it capable of  Accessing all submenus and parameters?**
A: No they don’t

**Q: Does it come with manual**
A: Dear ,the user manual is too may to put together with the product ,but there is an electronic version of it, if you need you can contact me by email, I can send it to your mailbox

**Q: Can i order just the cord some pins broke in  Mine but the tool is still good**
A: If the product is purchased from me, you can email me through the  order, I can send a cord to you, but you need to know how to replace it

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect
*by T***F on November 21, 2025*

Perfect. If I needed another I'd buy it in a heartbeat.

### ⭐⭐⭐⭐⭐ Review
*by A***R on July 21, 2025*

Recibí la herramienta en tiempo y forma... la probe y funcionó correctamente. :)

### ⭐⭐⭐⭐⭐ Working well
*by R***O on September 7, 2024*

Used on several otis units. Gen2,gcs 211,311 and more. Book was helpful but i no longer use it... very basic.

## Frequently Bought Together

- Elevator Blue Server Test Tool GAA21750AK3 Elevators Lift Operator Debugger Blue TT Service Test Tool use for Otis XIZI Otis Elevator
- Klein Tools 5189 Tradesman Pro Hard Case Large

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**Shop now:** [https://www.desertcart.tw/products/69406283-elevator-blue-server-test-tool-gaa21750ak3-elevators-lift-operator-debugger](https://www.desertcart.tw/products/69406283-elevator-blue-server-test-tool-gaa21750ak3-elevators-lift-operator-debugger)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-03-17*