Maintenance - Chamberlain HD920EV Owner's Manual

Belt drive battery backup
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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 29.
Test the safety reversal system. Adjust if necessary, see page 29.
EVERY YEAR
Oil door rollers, bearings and hinges. The garage door opener does not require additional
lubrication. Do not grease the door tracks.
Test the battery backup and consider replacing the battery to ensure the garage door opener will
operate during an electrical power outage, see page 32 to test the battery backup.
The Remote Control Battery
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 3V2032 coin batteries.
• DO NOT recharge, disassemble, heat above 212°F (100°C) or incinerate.
The 3V2032 lithium battery should produce power for up to 5
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: To complywith FCC and/or IndustryCanada (IC) rules, adjustment or modificationsof thistransceiver are prohibited. THERE
ARENO USER SERVICEABLEPARTS. Any changesor modifications not expresslyapproved by the partyresponsible for compliance
could void the user'sauthorityto operate the equipment.
Thisdevice complieswith Part 15 of the FCC rules and IC RSS-210. Operation is subject to the following two conditions: (1) thisdevice
maynot cause harmfulinterference, and (2) thisdevice must accept anyinterference received, including interference that maycause
undesired operation.
ThisClassBdigitalapparatuscomplieswith Canadian ICES-003.
AVIS: Lesrèglesde la FCC et/ou d'Industrie Canada (IC) interdisent tout ajustement ou toute modification de ce récepteur. IL
N'EXISTEAUCUNEPIÈCESUSCEPTIBLED'ÊTREENTRETENUEPAR L'UTILISATEUR. Tout changement ou toute modification non
expressément approuvé par la partie responsablede la conformité peut avoir pour résultat d'annuler l'autorité de l'utilisateur de faire
fonctionner l'équipement.
Cet appareilest conforme auxdispositionsde la partie 15 du règlement de la FCC et de l'norme IC RSS-210. Son utilisation est
assujettie auxdeuxconditoinssuivantes: (1) ce dispositif ne peut causer desinterférencesnuisibles, et (2) ce dispositif doit accepter
toute interférence recue, ycomprisune interférence pouvant causer un fonctionnement non souhaité.
Cet appareilnumerique de la classe Best conforme a la norme NMB-003 du Canada.
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