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Focus on the development and production of elevator parts for 18 years

Shaanxi Sanjin Elevator Fittings Co.,Ltd.

OTIS elevator service tool GAA21750AK3



MOQ:1 pcs

Warranty Time:1 year


OTIS elevator service tool GAA21750AK3
Item specifics:
Type: Elevator Parts
Brand Name:Otis
Model Number:GAA21750AK3
Place of Origin:China (Mainland)

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OTIS elevator service tool GAA21750AK3

OTIS Elevator Service Tool


Design No.: GAA21750AK3
Part Name: Elevator Service Tool
Specification: Blue, Adapter, Unlimited Times
Install Position: Motherboard, Door Controller, Frequency Inverter, and so on.

The Blue Test Tool (Part Number: GAA21750AK3) is used for OTIS elevator and escalator, such as below:
ACD1, ACD2, ACD3, ACD4, GEN2, SKY, OH-CON, OH1000, OH5000, OH5100, 2000, 3000, 3100, 3200, 3300, STAR, HOMELIFT, 21VH;
Inverter: SIEI (AVY, AVO, AVS), OVF20, OVF30;
Door Controller: DCSS4, DCSS5, DO3000, Easy-con, Easy-con-T, Jarless-Con, Jarless-Con-T;
Motherboard: GECB, LCB_II, ALMCB, TCBC, TCEC, RCB2, GDCB, etc.


1.Suit all type of otis lift model which produce before 2008 year and most otis lift model which produced after 2008 but some
  otis special model which produced after 2008 year which is not sell in chinese market it may can not use. Totally this tool is
  better than otis TT GAA21750S2 black color
2.compare with EUROPE type: the Europe type type need refresh on otis webiste after 200times ours no time limited it can
  use until the tool is broken


OTIS Elevator Service Tool can be used to operate such as Motherboard, Door Controller, and SIEI Frequency Inverter

The universal elevator service tool (Unlimited Times, Unlock), which supports all functions of SIEI Test Tool with adapter, and can be used to operation of all permissions of SIEI Frequency Inverter, such as parameter setting, phase setting, magnetic pole setting, fault checking and so on.

What We Do

1.the largest elevator parts company integrating warehousing with marketing.
2.Leading supplier and expoter in elevator parts industry.
3.We have various brands elevator parts,such as Kone,Otis,LG Sigma,Schindler,Toshiba,Thyssen and so on .
4.With the excellent after-saled service and warranty.


Buyer Guarantee

--- Your supplier has 18 years focus on elevator and escalator parts manufacturer and trading.
--- Professional technical engineers,offer elevator technical solution&after-sale service.
--- One-stop shops for all lift&escalator parts and service.
--- More than 30,000 types product in stock.
--- Repair & modification to old elevator.
--- Free of charge to change if occurs unman-made broken within 12 months.


1. Shaanxi Sanjin Elevator can supply original elevator and escalator parts from famous brand like Otis, Kone, Mitsubishi, Hyundai ,Schindler, Thyssen, Hitachi, Toshiba, Fujitech, LG Sigma, Bluelight, CANNY, SANYO, BLT Brilliant, Monarch, STEP, etc.
2. Becuase there are various models and specifications for different spare parts, some products' description may not be very accurate, the information is for reference only.
3.Since different product have different specifications, like size, weight, model etc., therefore they may need details like part number or photos to confirm. Please leave us message if have any needs:
4. Presently, the SANJIN`s product line includes over 30,000 parts, with new PC boards, peripherals and subsystems rapidly swelling the company's inventory.Since the website cannot show them all, if cannot find needed product in website, please contact with our colleagues.
5.We carry high quality 
OTIS Elevator OEM Parts and replacement parts, as well as commercial replacement parts for a wide range of other manufacturers.
6.We are directing you to the SANJIN website to ensure that your questions are answered - and your parts orders are processed - in the most timely and efficient manner possible.


At SANJIN Elevator Products Company, we are committed to providing our customers with the highest quality elevator and escalator OEM/replacement parts in a timely, most professional manner. We`ve built our business around the basic premise of helping our customers meet their requirements by offering exceptional customer service, competitive prices and quality OEM (original equipment manufacturer) Parts.

Looking for ideal  OTIS elevator service tool Manufacturer & Supplier ? We have a wide selection at great prices to help you get creative. All the OTIS elevator service tool are quality guaranteed. We are China Origin Factory of  OTIS elevator service tool. If you have any question, please feel free to contact us.