To Next PageTo Next PageWhat to do if the sending eye light is on but the receiving eye light isn't on my Chamberlain Garage Door Opener?
If the sending eye indicator light on your Chamberlain Garage Door Opener is on, but the receiving eye light isn't, try these steps: First, check the alignment of the sensors. If that doesn't work, check for an open wire leading to the receiving eye.
What to do if the receiving eye indicator light is dim on my Chamberlain Access Master Security+ M385 Garage Door Opener?
If the receiving eye indicator light on your Chamberlain Garage Door Opener is dim, try realigning either sensor.
General| Type | Garage Door Opener |
|---|---|
| Drive Type | Chain Drive |
| Horsepower | 1/2 HP |
| Security Features | Yes |
| Security+ Rolling Code Technology | Yes |
| Battery Backup | No |
| Frequency | 315 MHz |
| Safety Features | photoelectric sensors |
| Buttons | 3 |
Explains safety symbols and signal words used throughout the manual.
Ensures the garage door is balanced and free of binding before opener installation.
Lists the necessary hand tools required for assembling and installing the opener.
Surveying the garage area and identifying door type for installation planning.
Lists all parts included in the opener package for verification.
Lists the specific hardware items required for the opener installation process.
Connects the opener rail to the motor unit, requiring specific bolts for secure attachment.
Secures the drive chain to the sprocket and installs the protective sprocket cover.
Adjusts chain tension for proper operation, ensuring correct slack and alignment.
Critical safety guidelines and warnings to follow during the opener installation process.
Locates and securely fastens the header bracket to the wall or ceiling for opener mounting.
Connects the opener rail to the header bracket and positions the opener unit.
Mounts the opener motor unit to structural supports using hanging brackets.
Mounts the wall-mounted door control and connects the bell wire to the opener.
Installs and aligns the safety sensors to detect obstructions for safe door operation.
Attaches the opener's door arm to the trolley mechanism on the rail.
Sets the points where the door stops during opening and closing cycles.
Regulates the power needed for door operation, ensuring safe stop or reversal.
Verifies the door reverses upon contact with an obstruction, a critical safety check.
Confirms the safety reversing sensor is functioning correctly to prevent entrapment.
Details how to operate the opener with remotes, wall control, and understand its functions.
Explains the features of the multi-function door control, including light and lock functions.
Describes how to disconnect and manually move the garage door if power is lost.
Provides a schedule for regular checks and lubrication to ensure opener longevity.
Addresses issues like doors not closing, remotes not working, or unexpected reversals.
Interprets flashing LED codes to diagnose specific opener malfunctions.
Instructions for adding, reprogramming, or erasing remote control codes and keyless entry PINs.
Lists and illustrates rail assembly and installation parts with their corresponding part numbers.
Details optional accessories that enhance the functionality of the garage door opener.
Provides contact information for service and details the product's limited warranty coverage.
