LiftMaster CSW24V High-Cycle Commercial DC Swing Gate Operator - Manual (Page 46)

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TROUBLESHOOTING CHART
TROUBLESHOOTING
FAULT POSSIBLE CAUSES CORRECTIONS
Alarm beeps three
times with a command.
a) Low battery with loss of AC/solar power a) Check if AC power is available. If no AC power, then running on batteries and battery
voltage must be 22.0 Vdc or higher. Charge batteries by AC or solar power or replace
batteries
On dual-gate system,
one gate is not
commanding the other.
a) Defective or incorrect Operator-to-Operator
wiring
b) Incorrect Operator-to-Operator wireless
learning
a) Check operator-to-operator wiring.
b) Relearn the wireless network of one operator to the other operator.
On dual-gate system,
incorrect gate opens
first or closes first.
a) Incorrect Bipart switch setting a) Change setting of both operator’s Bipart switch settings. One operator should have
Bipart switch OFF (operator that opens first) and the other operator should have
Bipart switch ON (operator that opens second)
Expansion board
function not controlling
gate.
a) Defective main board to expansion board
wiring
b) Incorrect input wiring to expansion board
c) Defective expansion board or defective main
board
a) Check main board to expansion board wiring. If required, replace wire cable.
b) Check wiring to all inputs on expansion board.
c) Replace defective expansion board or defective main board
Maglock not working
correctly.
a) Maglock wired incorrectly a) Check that Maglock is wired to N.C. and COM terminals. Check that Maglock has
power (do not power maglock from control board accessory power terminals). If
shorting lock’s NO and COM wires does not activate Maglock, then replace Maglock or
Maglock wiring
Solenoid lock not
working correctly.
a) Solenoid wired incorrectly a) Check that Solenoid is wired to N.O. and COM terminals. Check that Solenoid has
power (do not power solenoid from control board accessory power terminals). If
shorting lock’s NC and COM wires does not activate Solenoid, then replace Solenoid
lock or Solenoid wiring
Switched (SW)
Accessory power
remaining on.
a) In limit setup mode a) Learn the limits
Accessories connected
to Switch (SW)
Accessory power not
working correctly,
turning off, or
resetting.
a) Normal behavior a) Move accessory to accessory power “ON”
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 23 – 30 Vdc). If voltage is correct, connect accessories one at a time,
measuring accessory voltage after every new connection.
b) Replace defective control board
Quick Close not
working correctly.
a) Quick Close setting incorrect
b)
CLOSE EYES/Interrupt loop detector or loop
wire defective
c) Defective Expansion board
a) Check that Quick Close setting is ON
b) Check operation of CLOSE EYES/Interrupt Loop detector
c) Replace defective Expansion board
Anti-Tailgating not
working correctly.
a) Anti-Tail setting incorrect
b)
CLOSE EYES/Interrupt loop detector or loop
wire defective
c) Defective Expansion board
a) Check that Anti-Tail setting is ON
b) Check operation of CLOSE EYES/Interrupt Loop detector
c) Replace defective Expansion board
AUX Relay not
working correctly.
a) AUX Relay setting incorrect
b) AUX Relay wiring incorrect
c) Defective Expansion board a) Check AUX Relay switches settings
b) Check that wiring is connected to either N.O. and COM or to N.C. and COM.
c) Set AUX Relay to another setting and test. Replace defective expansion board.