Maintenance - Chamberlain 8550W Manual

Maintenance

Maintenance Schedule
EVERY MONTH
Manually operate door. If it is unbalanced or binding, call a trained door systems technician.
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Check to be sure door opens and closes fully. Adjust if necessary, see page 29.
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Test the safety reversal system. Adjust if necessary, see page 30.
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EVERY YEAR
Oil door rollers, bearings and hinges. The garage door opener does not require additional
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lubrication. Do not grease the door tracks.
Test the battery and consider replacing the battery to ensure the garage door opener will
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operate during an electrical power outage, see page 31 to test the battery backup.
EVERY TWO TO THREE YEARS
Use a rag to wipe away the existing grease from the garage door opener rail. Reapply a small
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layer of white lithium grease to the top and underside of the rail surface where the trolley
slides.
NOTICE: This device complies with Part 15 of the FCC rules and Industry Canada's license-exempt RSSs. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received,
including interference that may cause undesired operation.
Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate
the equipment.
This device must be installed to ensure a minimum 20 cm (8 in.) distance is maintained between users/bystanders and device.
This device has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC rules and
Industry Canada ICES standard. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna.
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Increase the separation between the equipment and receiver.
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Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
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Consult the dealer or an experienced radio/TV technician for help.
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The Remote Control Battery
To prevent possible SERIOUS INJURY or DEATH:
NEVER allow small children near batteries.
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If battery is swallowed, immediately notify doctor.
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To reduce risk of fire, explosion or chemical burn:
Replace ONLY with 3V CR2032 coin batteries.
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DO NOT recharge, disassemble, heat above 212°F (100°C) or incinerate.
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To replace the battery, pry open the case in the middle,
then at each side with the visor clip. Insert replacement
battery positive side up (+). Replace the batteries with only
3V CR2032 coin cell batteries. Dispose of old batteries
properly.
Caring for the LED Light Pods: Models WLED and WLED-267
The lighting of this garage door opener includes 100 premium LEDs. This provides an impressive
daylight quality light and will illuminate all corners of the garage. With long lasting LEDs, you will
not have to change light bulbs. If you do experience any issues with the LED, contact customer service
or a certified door professional.
To remove dust or debris, carefully pull open the light pod and gently wipe out with a soft dry cloth.
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