7
Symptom Cause Solution
Screen will not operate.
No power to LVC unit.
Turn on power to LVC input. Measure voltage across
black and white input leads.
Incorrect wiring.
Recheck all wiring for proper installation. Check all wire
nut connections.
Low voltage circuit damaged due to
voltage input.
T
he wall switch terminal is for dry contact (no voltage)
input only. Applying voltage to this terminal will damage
the LVC.
LVC controller lock-up
.
Locate breaker for screen and turn o power.
Wait one minute and re-activate circuit.
Radio frequency remote
does not work.
Weak battery in transmitter.
Replace battery.
Infrared remote does not
work.
Weak battery in transmitter. Replace battery.
Receiver incorrectly positioned.
Receiver must be unobstructed and located in direct
line with the transmitter..
Fluorescent light interference.
Remote receiver should not be placed near
fluorescent lights.
Screen runs in the wrong
direction.
Red and black wires are reversed on motor or
wall switch terminals.
Turn o power to LVC. Reverse the red and black
wires on either the motor terminals or the wall switch
terminals. Changing either one will change the
direction of motor travel. Do not change both.
NOTE: The LVC will shut off power to the screen motor 5 minutes after the motor stops turning. Push the up or down
button to reactivate the LVC relays.
TROUBLESHOOTING
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