Maintenance - Chamberlain C2405C Istallation 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 33.
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Test the safety reversal system. Adjust if necessary, see page 35.
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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 backup and consider replacing the battery to ensure the garage door opener
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will operate during an electrical power outage, see page 36 to test the battery backup.
The Remote Control Battery
WARNING
To prevent possible SERIOUS INJURY or DEATH:
NEVER allow small children near batteries.

If battery is swallowed, immediately notify doctor.

To reduce risk of fire, explosion or chemical burn:
Replace ONLY with 3V CR2032 coin batteries.

DO NOT recharge, disassemble, heat above 212°F (100°C) or incinerate.
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The 3V CR2032 Lithium battery should produce power for
up to 3 years. If the battery is low, the remote control's LED
will not flash when the button is pressed.
To replace battery, pry open the case first in the middle (1),
then at each side (2 and 3) with the visor clip. Replace the
batteries with only 3V CR2032 coin cell batteries. Insert
battery positive side up. Dispose of old batteries properly.
NOTICE: This device complies with part 15 of the FCC rules and Innovation, Science and Economic
Development Canada 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 in-
structions, 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.

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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