LiftMaster RSW12UL Installation Manual - Page 37

TROUBLESHOOTING SYMPTOM Accessories connected to Accessory power not working correctly, turning off, or resetting. Solar operator not getting enough cycles per day. POSSIBLE CAUSES a. Accessory power protector active b. Defective control board a. Insufficient panel wattage b. Excessive accessory power draw c. Old batteries d. Solar panels are not getting enough sunlight Solar operator, insufficient standby time. a. Insufficient panel wattage b. Excessive accessory power draw c. Battery capacity too low SOLUTIONS 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 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.) 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 37