Troubleshooting Guide; Technical Service - LiftMaster 815LM Manual Del Usuario

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SYMPTOM
POSSIBLE CAUSE
Lights will not come
1. Battery is dead.
on.
2. Sensor is turned OFF.
3. Daylight turn-off is in effect.
4. Incorrect aiming.
Lights come on in
1. Light control may be installed in a relatively
daylight.
dark location.
2. Light control is in TEST
Lights come on for no
1. Light control may be sensing small animals or
apparent reason.
automobile traffic.
2. Range is set too high.
Lights stay on
1. Light control is pointed toward a heat source like
continuously.
an air vent, dryer vent, or brightly-colored
heat-reflective surface.
2. Light control is in TEST.
Lights flash on and
1. Heat or light from the lamp may be turning the
off.
light control on and off.
2. Heat being reflected from other objects may be
affecting the sensor.
3. Light control is in the TEST mode and warming
up.
4. Battery is almost dead.
Please call 1-800-528-9131 for assistance before returning product to store.
If you experience a problem, follow this guide. You may also
want to visit our Web site at: www.liftmaster.com. If the
problem persists, call* for assistance at 1-800-528-9131,
8:00 AM to 5:00 PM CST (M-F). You may also write* to:
THE CHAMBERLAIN GROUP, INC.
Technical Support Group
6050 S. Country Club Road
Tucson, AZ 85706
This is a "Limited Warranty" which gives you specific legal rights. You may also have other rights which vary from state to state or province to
province.
For a period of one year from the date of purchase, any malfunction caused by factory defective parts or workmanship will be corrected at no
charge to you.
Not Covered - Repair service, adjustment and calibration due to misuse, abuse or negligence, light bulbs, batteries, and other expendable items
are not covered by this warranty. Unauthorized service or modification of the product or of any furnished component will void this warranty in its
entirety. This warranty does not include reimbursement for inconvenience, installation, setup time, loss of use, unauthorized service, or return
shipping charges.
This warranty covers only LiftMaster assembled products and is not extended to other equipment and components that a customer uses in
conjunction with our products.
THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY,
REPRESENTATION OR CONDITION OF MERCHANT ABILITY OR THAT THE PRODUCTS ARE FIT FOR ANY PARTICULAR PURPOSE OR USE, AND
SPECIFICALLY IN LIEU OF ALL SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.
REPAIR OR REPLACEMENT SHALL BE THE SOLE REMEDY OF THE CUSTOMER AND THERE SHALL BE NO LIABILITY ON THE PART OF
LiftMaster LLC FOR ANY SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING BUT NOT LIMITED TO ANY LOSS OF
BUSINESS OR PROFITS, WHETHER OR NOT FORESEEABLE. Some states or provinces do not allow the exclusion or limitation of incidental or
consequential damages, so the above limitation or exclusion may not apply to you. Please keep your dated sales receipt, it is required for all
warranty requests.

TROUBLESHOOTING GUIDE

TECHNICAL SERVICE

ONE YEAR LIMITED WARRANTY
5
SOLUTION
1. Switch the sensor OFF and let the battery charge
for 3 to 7 sunny days before using again.
2. Turn sensor ON.
3. Recheck after dark.
4. Re-aim the sensor to cover desired area.
1. Relocate light control to an area that receives
more light.
2. Set control switch to 1 or 5 minute position.
1. Re-aim sensor.
2. Reduce RANGE.
1. Reposition sensor.
2. Set control switch to 1 or 5 minute position.
1. Reposition the lamps away from the sensor.
2. Reposition sensor.
3. Flashing is normal under these conditions.
4. Reduce RANGE. If flashing continues, switch the
sensor OFF and let the battery charge for three or
more sunny days before using again.
* If contacting Technical Service, please have the
following information available: Model Number,
Date of Purchase, and Place of Purchase.
No Service Parts Available for this Product

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