Maintenance - Chamberlain HD220 Owner's Manual

Maintenance

Maintenance Schedule
EVERY MONTH
• Manually operate door. If it is unbalanced or binding, call a trained door systems technician.
• Check to be sure door opens and closes fully. Adjust if necessary, see page 26.
• Test the safety reversal system. Adjust if necessary, see page 28.
EVERY YEAR
• Oil door rollers, bearings and hinges. The garage door opener does not require additional
lubrication. Do not grease the door tracks.
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 3V2032 coin batteries.
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DO NOT recharge, disassemble, heat above 212°F (100°C) or incinerate.
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The 3V2032 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 3V2032 coin cell batteries. Insert
battery positive side up. Dispose of old batteries properly.
NOTICE: This device complies with Part 15 of the FCC rulesand IndustryCanada (IC)licence-exempt RSSstandard(s). 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 maycause undesired operation.
Anychangesor modificationsnot expresslyapproved bythe partyresponsible for compliance could void the user'sauthorityto operate
the equipment.
ThisClassBdigitalapparatuscomplieswith Canadian ICES-003.
Repair Parts
Description
Logic board
Hardware bag
Door arm kit: straight door arm, curved door arm, hardware bag
Light lens
Door control
3
1
2
33
Part No.
047DCT
041A8068
041A8094
108D0166
041A7367-3