DIAGNOSTIC

UP

DOWN

SYMPTOM

CODE

ARROW

ARROW

 

POSSIBLE CAUSE

POSSIBLE RESOLUTON

3-3

3 FLASHES

3 FLASHES

The garage door opener fails to

 

 

 

operate and the battery LED is

 

 

 

constantly flashing green

4-1

4 FLASHES

1 FLASH

Door is closing, stops and

 

 

 

reverses

4-2

4 FLASHES

2 FLASHES

The door stops while opening

 

 

 

for no apparent reason

4-3

4 FLASHES

3 FLASHES

The door reverses for no

 

 

 

apparent reason or after touching

 

 

 

the floor

Battery LED flashing green, charging circuit stops and starts to drain causing battery charging status

Obstruction, binding or sticking door

Obstruction, binding or sticking

door

Obstruction, binding or sticking

door

Recharge Battery, contact service centre

Remove obstruction, service door.

Remove obstruction, service door.

Reset limits & force, service door.

17

4-4

4 FLASHES

4 FLASHES

The door reverses for no apparent

Obstruction, binding or sticking

door

 

 

 

reason or after touching the floor

 

4-5

4 FLASHES

5 FLASHES

The opener runs approximately

Communication error to travel

 

 

 

150-200 mm and stops and/or

module

 

 

 

reverses

 

4-6

4 FLASHES

6 FLASHES

The door reverses for no apparent

Safety sensors were temporarily

 

 

 

reason while travelling down

obstructed or misaligned

These are additional troubleshooting issues that will not show up in the diagnostic codes:

Reset limits & force, service door.

Reset limits & force contact service centre

Remove obstruction, or realign sensors

My garage door opener beeps every 30 seconds:

Refer to Battery Status LED section.

My remote control will not activate the door:

*Verify the Lock feature is not activated on the door control.

*Reprogram the remote control.

*If the remote control will still not activate the door check the diagnostic codes to ensure the garage door opener is working properly.

*Ensure the antenna wire is hanging down from the garage door opener.

My garage door opener light(s) will not turn off when the door is open:

The garage door opener is equipped with a feature that turns the light on when the safety reversing sensors have been obstructed or when the motion sensor on the door control detects movement in the garage. These features can be disabled using the door control, refer to the Door Control section.

My neighbour's remote control opens my garage door:

Erase the memory from your garage door opener and reprogram the remote control(s).

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Chamberlain MR650EVO, MR850EVO operating instructions Diagnostic Down

MR850EVO, MR650EVO specifications

The Chamberlain MR850EVO and MR650EVO are advanced garage door openers that combine modern technology with user-friendly features, ensuring convenience, security, and reliable performance. These models are designed for efficiency and durability, suitable for various garage door types and sizes.

The MR850EVO is distinguished by its robust 3/4 HP motor, providing powerful lifting capabilities that can handle heavier doors with ease. It operates quietly, making it an ideal choice for homes with living spaces adjacent to the garage. The MR650EVO, on the other hand, features a 1/2 HP motor, designed for lighter doors while still maintaining impressive performance.

Both models utilize Chamberlain’s innovative MyQ technology, allowing users to control their garage doors remotely via a smartphone app. This feature enhances convenience, enabling homeowners to open or close their garage doors from anywhere, receive real-time notifications, and monitor door status. The MyQ app is compatible with various smart home devices, streamlining home automation for tech-savvy users.

Security is a priority with the MR850EVO and MR650EVO. They come equipped with a Security+ 2.0 rolling code technology, which generates a new code every time the remote control is used. This feature significantly reduces the risk of code grabbing and unauthorized access, ensuring peace of mind for homeowners.

Installation is straightforward, thanks to the user-friendly design and included instructional materials. Both models are compatible with various accessories, including remote controls, keypads, and backup batteries, enhancing their functionality and reliability in the event of power outages.

In terms of safety, the MR850EVO and MR650EVO are equipped with safety sensors that reverse the door's motion if an obstruction is detected, preventing accidents and ensuring safe operation. This is particularly crucial for families with pets or small children.

Finally, both models come with a durable chain drive system, providing lasting reliability and smooth operation. The sturdy construction ensures that the openers can withstand the rigors of daily use, making them an excellent investment for any home. Whether you choose the MR850EVO with its enhanced power or the MR650EVO for lighter doors, you can expect superior performance and advanced features that make garage access safe, secure, and hassle-free.