Chamberlain HD920EV Garage Door Opener User Manual


 
42
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 (refer to Adjustment
section).
Repeat the safety reverse test. Make any necessary adjustments (refer to Adjustment
section).
EVERY YEAR
Oil door rollers, bearings and hinges. The garage door opener does not require additional
lubrication. Do not grease the door tracks.
EVERY TWO TO THREE YEARS
Test the battery and consider replacing the battery to ensure the garage door opener will
operate during an electrical power outage.
The Remote Control Battery
The 3V2032 lithium battery should produce
power for up to 5 years. If the battery is low,
the remote control’s LED will not fl ash when
the button is pressed. To replace battery
pry open the case as shown. Insert battery
positive side up.
Replace the batteries with only 3V2032 coin
cell batteries.
Dispose of old batteries properly.
To prevent possible SERIOUS INJURY or DEATH:
NEVER allow small children near batteries.
If battery is swallowed, immediately notify doctor.
To reduce risk of fi re, explosion or chemical burn:
Replace ONLY with 3V2032 coin batteries.
DO NOT recharge, disassemble, heat above 212°F (100°C) or incinerate.
1
2
3
Pry open the case fi rst in the middle
(1), then at each side (2 and 3) with the
visor clip.
NOTICE: To comply with FCC and/or Industry Canada (IC) rules, adjustment or modifi cations of this transceiver are
prohibited. THERE ARE NO USER SERVICEABLE PARTS.
This device complies with Part 15 of the FCC rules and IC RSS-210. 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.
AVIS : Les règles de la FCC et/ou d’Industrie Canada (IC) interdisent tout ajustement ou toute modifi cation de ce
récepteur. IL N’EXISTE AUCUNE PIÈCE SUSCEPTIBLE D’ÊTRE ENTRETENUE PAR L’UTILISATEUR.
Cet appareil est conforme aux dispositions de la partie 15 du règlement de la FCC et de la norme IC RSS-210. Son
utilisation est assujettie aux deux conditions suivantes : (1) ce dispositif ne peut causer des interférences nuisibles, et (2)
ce dispositif doit accepter toute interférence reçue, y compris une interférence pouvant causer un fonctionnement non
souhaité.