LiftMaster RSW12V Residential / Light Commercial Swing Gate Operator with Battery Backup - Manual (Page 31)

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TROUBLESHOOTING »
TROUBLESHOOTING CHART
• Power not connected. Make sure the AC/Solar input is connected and that at least one battery is connected
with the corresponding fuse intact.
• Low or defective battery. Check the battery to make sure that the red wire goes to the positive terminal of the battery and the
black wire goes to the negative terminal of the battery. Replace the battery if the open circuit voltage is below 11.5Vdc.
• Bad control board. Replace control board.
• Low or defective battery. At least one charged battery must be connected for the operator to operate. Verify the battery fuse is
intact. Check battery connections and battery voltage to be above 11.5Vdc. Replace batteries if necessary.
• STOP button connection loose or disconnected. Press the RESET button and verify that the STOP LED lights up and then turns off
after 10 seconds. Verify the wire connects between the STOP and CTRL PWR terminals.
• Obstruction blocking photoelectric sensors. Press the RESET button and verify that all the safety LEDs (OPEN EDGE/PHOTO, OPEN
PHOTO, CLOSE PHOTO) are OFF. If any are ON, clear any obstructions and verify the LED turns off .
NOTE: The RESET button may need to be hit multiple times since the LEDs turn off after 10 seconds when the operator goes to sleep.
• (Optional Accessory) Safety edge is damaged or on an obstruction. Press the RESET button and verify that the Safety LEDs
(OPEN EDGE and CLOSE EDGE/PHOTO) are OFF. If either is ON, clear any obstructions and verify the LED turns off.
NOTE: The RESET button may need to be hit multiple times since the LEDs turn off after 10 seconds when the operator goes to sleep.
• (Optional Accessory) Interrupt loop or Shadow loop is obstructed. Press the RESET button and verify that the INTERRUPT and
SHADOW LEDs are OFF. If either is on, check the loop detector and its wiring to ensure that it is not incorrectly being triggered.
• Bad control board. Replace control board.
• Battery not connected. At least one charged battery must be connected for the operator to operate. Verify battery fuse
is intact. Check battery connections and battery voltage to be above 11.5V. Replace batteries if necessary.
• Verify that all of the wires, especially the wires going to the motor are secure and that the connector is properly mated to the
header.
OPERATOR DOES
NOT RUN.
DIAGNOSTIC LED
NOT ON.
OPERATOR POWERS
UP BUT DOES NOT
OPERATE.
• The gate is jammed or incorrectly installed. Disconnect the gate and verify that the gate moves freely. Enter the Learn Limits mode
and verify that the motor spins. Reconnect the gate. Reprogram limits for the operator.
• Bad control board. Replace control board.
RELAYS “CLICK” WHEN
REMOTE CONTROL OR
SINGLE BUTTON
CONTROL (SBC)
COMMAND IS GIVEN,
BUT THE OPERATOR
DOES NOT MOVE OR
GATE DISCONNECTED.
THE GATE MOVES
BUT CANNOT EXIT
LEARN LIMITS MODE.
CANNOT LEARN
LIMITS.
• Disconnect the operator from the gate and make sure that the gate moves freely throughout the full length of travel.
• If the limits will not program:
1. Disconnect the operator by releasing the handle on the operator arm.
2. Manually close the gate.
3. Loosen the screw on the learn limit cam and rotate the learn limit cam so it is touching the learn limit switch. Tighten the screw.
4. Tighten the handle on the operator arm.
Program the limits again.
• Gate is excessively heavy or hinges are bad. Verify that the gate is within the ratings for this product. Disconnect the operator(s)
and verify that the gate(s) swing easily. Lubricate or replace hinges as necessary.
• Check the brown and green wires on J17 to ensure they are properly connected. If this did not solve the problem the RPM Module
or control board may need to be replaced. Contact technical support.
GATE DOES NOT
FULLY OPEN OR
CLOSE WHEN TRYING
TO LEARN LIMITS.
• Battery not connected. At least one charged battery must be connected for the operator to operate. Verify the battery fuse is intact.
Check battery connections and battery voltage to be above 11.5Vdc. Replace batteries if necessary.
• STOP button connection loose or disconnected. Press the RESET button and verify that the STOP LED lights up and then turns off
after 10 seconds. Verify the wire connects between STOP and CTRL PWR terminals.
• Single Button Control (SBC) button connection loose. Check wiring for SBC button. Use the on-board single button to verify operator
will respond.
• Bad control board. Replace control board.
OPERATOR DOES
NOT RESPOND TO
SINGLE BUTTON
CONTROL (SBC)
COMMAND.
OPERATOR DOES NOT
RESPOND TO
COMMAND.
• Battery not connected. At least one charged battery must be connected for the operator remote control to operate. Verify battery
fuse is intact. Check battery connections and battery voltage to be above 11.5Vdc. Replace batteries if necessary.
• STOP button connection loose or disconnected. Press the RESET button and verify that the STOP LED lights up and then turns off
after 10 seconds. Verify the wire connects between the STOP and CTRL PWR terminals.
• Radio module not plugged in. Verify the green Radio module (located next to the coaxial connector) is properly mated with both
4-pin connectors.
• If the operator is not grounded properly the range of the remote controls will be reduced. Ensure operator is properly grounded.