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37
SYMPTOM POSSIBLE CAUSES SOLUTIONS
Accessories
connected to
Accessory power
not working
correctly, turning
off, or resetting.
a. Accessory power protector active
b. Defective control board
a. Disconnect all accessory powered devices and measure accessory
power voltage (should be 11.5 – 17.5 Vdc). If voltage is correct,
connect accessories one at a time, measuring accessory voltage
after every new connection.
b. Replace defective control board
Solar operator not
getting enough
cycles per day.
a. Insufficient panel wattage
b. Excessive accessory power draw
c. Old batteries
d. Solar panels are not getting enough sunlight
a. Add more solar panels
b. Reduce the accessory power draw by using LiftMaster low power
accessories
c. Replace batteries
d. Relocate the solar panels away from obstructions (trees, buildings,
etc.)
Solar operator,
insufficient standby
time.
a. Insufficient panel wattage
b. Excessive accessory power draw
c. Battery capacity too low
a. Add more solar panels
b. Reduce the accessory power draw by using LiftMaster low power
accessories
c. Use batteries with higher amp hour (AH) rating
TROUBLESHOOTING
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