Your global partner
world’s largest product line-up
1899-7081
sales@coaddoor.com
Your global partner
world’s largest product line-up
Quote Contact
A/SAfter-Sales Service
STEP.01
Accept Complaints/Suggestions
Accept inquires via various ways like e-mail, fax, and telephone.
STEP.02
Provide service on the phone at Customer Service Team
Take immediate actions over the phone and make a reservation for site visit
STEP.03
Visit a site
Handle within 48 hours after acceptance
STEP.04
Find causes and take measures
Handle causes and report the result
STEP.05
Establish DB of customer service
Prevent reoccurrence of the same problem in the way of establishing follow-up management DB including information on site name, causes, measures, and results.
Customer Service
1899-7081
24 hours on weekdays on Saturdays
Service acceptance/product counseling
1899-7081
Weekdays 09:00 ~ 18:00, Saturdays 09:00 ~ 13:00
Service Center Location Inquiry/Customer Service Room
031-356-7082
Weekdays 09:00 ~ 18:00, Saturdays 09:00 ~ 13:00
FAQ
What is the difference between COAD and other automatic door companies?
COAD’s products are all waterproof. For making perfect waterproof products, we buried the open switch on the frame and were even coated to avoid the sensor’s weakness for humidity and invisible bolts. Nevertheless, we can offer competitive price (Max. 20% cheaper) compared to others by mold Standardization and mass production.
And wind pressure has increased by minimizing the breakaway of sheet due to wind lock structure, whereas it was significantly low noise.
Other companies request to pay more expenses for option but we can offer you without extra charge.
To improve the sealing or tightness, we put diagonal brush to block the entry of outside object.
What is the standard-price system?
COAD sets the price by the size of Speed door. In the business world, Only COAD sets the standard-price table.
We guarantee the accurate and lowest price. It is not changeable by sales person, special promotion and location.
We support standard-price system with lowest price.
Take the installation in truth with reasonable price in everywhere.
Possible to repair Speed door of other companies?
Yes, we can. The technical center of COAD can repair the Speed door of other companies with diverse experiences about the condition and professional technicians.
With the expectation about next problem and of price, we give advice.
Get the advice to contact customer service center.
Is the price changed by the location?
No, it is same price of product and installation fee in anywhere.
We have 5 sales offices in the main state of S. Korea and we install Overhead door with the same price of main office.
How fast Speed door opens?
The speed of Speed is 1.5m/s ~ 3m/s and Overhead door is 0.2m/s ~ 0.5m/s on average.
It is possible to apply in the place. We set it up to be fitted for effective movement in the place.
How long is Speed door’s life span?
Speed door is 10 years life span except supplies (sensor, etc)
How long does it take to install Speed door?
We have rule of customized installation within 15 days from estimate by experts to making a contract.
It is custom-designed and we guarantee the decided deadline of installation except special place and request of customers.
Does the warranty program is up to 3 years?
Yes, we guarantee up to 3 years warranty program.
Driving part is up to 3 years and the rest is up to 2 years.
Present the certification issued after installation.
What is the standard-price system?
COAD sets the price by the size of Overhead door. In the business world, Only COAD sets the standard-price table.
We guarantee the accurate and lowest price.
It is not changeable by sales person, special promotion and location.
We support standard-price system with lowest price.
Possible to repair Overhead door of other companies?
Yes, we can. The technical center of COAD can repair the Overhead door of other companies with diverse experiences about the condition and professional technicians.
With the expectation about next problem and of price,we give advice.
Get the advice and contact customer service center.
Is the price changed by the location?
No, it is same price of product and installation fee in anywhere.
We have 5 sales offices in the main state of S. Korea and we install Overhead door with the same price of main office.
What is the value of hear transmission?
For urethane panel of 50mm, the heat resistance is 2.19(m²•K)/w and it is converted to hear transmission, 0.45 (m²•K)/w.
See the detail information at the download page.
You can get the test certification of Overhead door panel.
How long is Overhead door’s life span?
Overhead door is 10 years life span except supplies(sensor, etc)
How fast Overhead door open?
The speed of Industrial Overhead door is 0.2~0.3m/s and Stacking Overhead door is 0.3~0.7m/s.
It is possible to apply in the place. We set it up to be fitted for effective movement in the place.
How long does it take to install Overhead door?
We have to rule of customized installation within 15 days from estimate by experts to make a contract.
It is custom-designed and we guarantee the decided deadline of installation except special place and request of customers.
Is the price changed by the location?
No, it is same price of product and installation fee in anywhere.
We have 5 sales offices in the main state of S. Korea and we install Overhead door with the same price of main office.
How long is Garage door’s life span?
Depending on the frequency of use, environment and conditions, it could be changed.
But, it is possible to use about 10 years.
The frequency of change is different about spring, wire, roller or etc.
So, the component of Garage door should be changed by the regular inspection.
The company for installation of the Garage door is gone. How can I do?
This is one of the popular questions.
There are cases that companies for installation are disappeared soon after Garage door is installed and some companies do not support A/S service because they use the cheap and low quality made in china and there is problem in installation.
Especially, this problem is caused because sales companies subtracts the installation with cheapest price.
In case of Garage door, automatic door, it is related to safety.
So, you have to choose the company to install the Garage door with responsibility based on high technical skills and experiences.
If you have any problem of installed Garage door, contact us. We find the best solution for you.
Do we confirm the price of Garage door over the phone?
The quotation over the phone and online is difficult to confirm the price.
To give the accurate quotation, we need to figure out the exact dimension of space, size of sideroom and headroom, need of emergency key and number of windows.
The quotation over the phone is possible for the estimated price and we could give the accurate price after we visit the space.
Normally, the difference between quotation over the phone and by experts is not much, but the reason why our technicians visit your location is checking the possibility to install Garage door and prevents the losses from the inaccurate estimate or information.
Do your Garage door suddenly stop operating?
In case of blackout, change the operation of motor from automatic to manual and pull the door up.
To fix the problem by yourself, the status of door becomes worse by mistake such as snapping spring or loosing cable.
Like those situations, it is danger. Please call to A/S center.
If you have questions about how to handle the Garage door, calling to COAD.
We support to solve your questions.
What is the minimum clearance to install Garage door?
Headroom should be range of 200mm as minimum and sideroom requires 145mm for both sides.
What type of panels for Garage door?
– Residential : white lattice design, wood lattice design, silver-gray wave panel
– Custom : possible to produce customized panel with diverse design of wood and metal
Automatic Glass door does not work.
First, check the status of electricity for Automatic Glass door.
If transformer is on, check the status of controller.
If transformer and controller are on, but the Automatic Glass door does not work. In this case, sensor does not send a signal.
Check the controller whether the signal is applied or not.
If no signal, check the line of sensor whether it is removed or cut.
Additionally, there is case of breakaway from the rail.
To set the speed of opening and closing as same, but it is different.
Normally, the speed of closing is slower than opening for safety.
Automatic Glass door is not completely closed and repeat opening and closing.
Check the obstacle at operation section and the status of sensor and photo-beam sensor.
Check the sensor which is possible to detect the operation of Automatic door because the detected direction of sensor is down-toward or faulty sensor.
Breakaway from the rail of Automatic Glass door?
Please turn off and contact A/S center.
If not and as Automatic Glass door is operated in force, it causes the trouble of other equipment by the overload.
Automatic Glass door is not closed
Check the wiring of detective sensor and photo-beam sensor.
If there is no problem, get rid of the line of sensor from transformer and re-connect each line to transformer and then check the status of Automatic Glass door.
I want to change the detective range and direction of sensor.
Most sensors have the function to change the detective range and direction.
Check the types and models of sensor and contact to COAD or company of installation.
Then, open the cover of sensor and select the section to change depending on the industrial condition.
For a long-term, I do not operate Automatic Glass door. What do I check to operate it again?
Check the obstacle or foreign objects at the rail, the part of operation, chink or etc.
Check the corroded part by humidity and get advice from A/S technicians if need.
company INFO
Company name
COAD Co, Ltd.
CEO Daehoon Lee
Business registration number
143-81-26854
Contact
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HQ office
202-37, Hyundai Kia-ro, Namyang-eup, Hwaseong-si, Gyeonggi-do
Contact address 1899-7081 Fax 0505-182-5567
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