Maintenance; Maintenance Schedule; Every Month; Every Year - Chamberlain C253 Guide De L'utilisateur

Maintenance

Maintenance Schedule

EVERY MONTH

Manually operate door. If it is unbalanced or binding, call a trained door systems technician.
l
Check to be sure door opens and closes fully. Adjust if necessary, see the Installation Manual - Adjustments 1.
l
Test the safety reversal system, see the Installation Manual - Adjustments. Adjust if necessary .
l

EVERY YEAR

Oil door rollers, bearings and hinges. The garage door opener does not require additional lubrication. Do not
l
grease the door tracks.
Test the battery backup and consider replacing the battery to ensure the garage door opener will operate during
l
an electrical power outage, see page 15 to test the battery backup.

The Remote Control Battery

To prevent possible SERIOUS INJURY or DEATH:
NEVER allow small children near batteries.
l
If battery is swallowed, immediately notify doctor.
l
To reduce risk of fire, explosion or chemical burn:
Replace ONLY with 3V CR2032 coin batteries.
l
DO NOT recharge, disassemble, heat above 212°F (100°C) or incinerate.
l
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.
20