LiftMaster HCTDCU HCTDCU Installation Manual - Page 33

MAINTENANCE IMPORTANT SAFETY INFORMATION To reduce the risk of SEVERE INJURY or DEATH: • READ AND FOLLOW ALL INSTRUCTIONS. • ALL maintenance MUST be performed by a LiftMaster professional. • ANY maintenance to the operator or in the area near the operator MUST NOT be performed until disconnecting the electrical power (AC or solar and battery) and locking-out the power via the operator power switch. Upon completion of maintenance the area MUST be cleared and secured, at that time the unit may be returned to service. • NEVER let children operate or play with gate/door controls. Keep the remote control away from children. • ALWAYS keep people and objects away from the gate/door. NO ONE SHOULD CROSS THE PATH OF THE MOVING GATE/DOOR. • The entrance is for vehicles ONLY. Pedestrians MUST use separate entrance. • Test the gate/door operator monthly. The gate/door MUST reverse on contact with a rigid object or reverse when an object activates the non-contact sensors. After adjusting the force or the limit of travel, retest the gate/door operator. Failure to adjust and retest the gate/ door operator properly can increase the risk of INJURY or DEATH. • Use the manual disconnect release ONLY when the gate/door is not moving. • KEEP GATES/DOORS PROPERLY MAINTAINED. Read the owner's manual. Have a qualified service person make repairs to gate/door hardware. • Activate gate/door ONLY when it can be seen clearly, is properly adjusted and there are no obstructions to gate/door travel. • To reduce the risk of FIRE or INJURY to persons use ONLY LiftMaster part 29-NP712 for replacement batteries. • SAVE THESE INSTRUCTIONS. • ALWAYS wear protective gloves and eye protection when changing the battery or working around the battery compartment. MAINTENANCE CHART Disconnect all power (AC, solar, battery) to the operator before servicing. The operator's AC Power switch ONLY turns off AC power to the control board and DOES NOT turn off battery power. ALWAYS disconnect the batteries to service the operator. DESCRIPTION TASK Entrapment Protection Devices Warning Signs Manual Disconnect Gate/door Gate/door Track Accessories Electrical Operator Chain Batteries Check and test for proper operation Make sure they are present Check and test for proper operation Make sure the gate/door operates smoothly without the operator. Make sure the gate/door track runs smoothly. Check all for proper operation Inspect all wire connections Inspect for wear or damage For chain maintenance, adjust the turnbuckle. Replace CHECK AT LEAST ONCE EVERY MONTH 6 MONTHS 3 YEARS X X X X X X X X X X BATTERIES Batteries will degrade over time depending on temperature and usage. The operator alarm will beep 3 times with a command if the battery is low. Batteries do not perform well in extremely cold temperatures. For best performance, the batteries should be replaced every 3 years. Use only LiftMaster part 29-NP712 for replacement batteries. The operator comes with two 7AH batteries. The batteries contain lead and need to be disposed of properly. 33