29
FAAC 400 Hydraulic Swing Gate Operator
17. TROUBLESHOOTING
The following table may help you identify and resolve some common problems.
CONDITION
SUGGESTION
A
Gate does not move.
•
Check that main power is supplied.
•
Ensure that the operator is not unlocked (see Section 8).
•
Check the adjustment of the anti-crushing system (see Section 4.1).
•
Check the connection and operation of the thrust capacitor.
•
Check functionality of the electronic control unit.
•
Ensure that the torque/force is set to a maximum of 50 in programming.
•
Verify that the LEDs FSWOP, FSWCL, and STOP are illuminated. If
they are not illuminated, be sure that you have closed circuits in the
stop and reversing inputs.
•
Verify that your activating device works properly. OP_A should illumi-
nate when you signal the gate to open. If OP_A does not illuminate
when you signal the gate, then the problem may be in your activating
device. Place a short across terminals 9 and 14. If the short causes the
gate to open, then the problem is in the activating device.
•
Check oil level inside the tank (see Section 10, Fig. 18).
B
Gate does not open (or close), though
the motor is running.
•
Make sure that the motor is running in the right direction.
•
Make sure the Manual Release mechanism has fully engaged the
hydraulic system.
•
Increase the bypass pressure in small ¼-turn increments to determine if
the hydraulic system needs more pressure.
C
Gate opens but doesn’t close.
Verify that the reversing devices are working properly. FSWOP and
FSWCL should be illuminated except when a reversing device is trig-
gered. If either does not illuminate, then one of your reversing devices is
preventing the gate from responding to your signal. Check your revers-
ing devices. If no reversing devices are installed, make sure a circuit is
installed between appropriate terminals.
D
Gate moves slowly.
Check the adjustment of the anti-crushing system (see Section 4.1).
E
Gate doesn’t fully open (or fully close).
•
Increase the bypass pressure to determine if the hydraulic system
needs more pressure.
•
Check the operator’s open / close time selection. You should set a time
that is just longer than the rated speed of your model of operator. For
example, the 400 CBAC has an opening time of 17 seconds, therefore
you should set the time to 20 or 25 seconds.
•
Check to see that there are no obstructions in the path of the gate or
that the hinges are not binding.
F
Gate jerks as it moves.
•
Make sure that you have removed the breather screw (see Section 5).
•
Run several complete gate opening and closing cycles, in order to
release any air inside the piston.
• Make sure that a flexible gate leaf is not the problem. If the gate leaf
flexes, then stiffen the gate or use a slower operator.
G
Operator is losing oil from breather
screw.
Initially, a small amount of oil leakage is normal. A larger leak may occur
if the operator is not fitted in a perfectly horizontal plane. If the oil leak
continues and/or increases, contact an FAAC authorized repair center.
H
Leaves stop at slow-down.
Check the adjustment of the anti-crushing system (see Section 4.1).
I
Gate speed not constant.
Incorrect installation dimensions (see Section 3.2).
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