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1. Miswired or disconnected Master/Slave interconnect cable.
2. Improper Master/Slave switch S1 setting.
3. Bad control board.
Units are not synchronized:
Improper switch S1 Master/Slave settings.
One gate braking to stop causes a fault in the other (moving) gate:
1. Both units are wired to the same circuit breaker.
2. Undersized power wires.
B. FAULT LIST
The following conditions can cause a fault in the SL 1000-B1 gate operator system:
1. Interrupt Bar activation.
2. Average motor overcurrent (overload) caused by excessive motor current.
3. Instantaneous motor overcurrent (left/right reverse sense) due to an impact on the gate.
4. Maximum motor run time exceeding 75 seconds.
5. Inoperative motor caused by an open motor winding, broken or unconnnected input motor
wires, or thermal overload.
6. Limit switch staying closed when gate is supposed to move, caused by a broken V-belt,
defective limit switch, or defective cams.
Faults 1, 2 and 3 may be cleared at any time by the following, if Fault Re-Try is ON:
•
All open commands (Open, Radio, Exit, Fire)
•
Manual commands (Open, Close, Stop)
Faults 1, 2 and 3 may be cleared at any time by the following, if Fault Re-Try is OFF:
•
Fire command
•
Manual commands (Open, Close, Stop)
•
All other commands must wait 60 seconds to clear these faults.
Faults 4, 5 and 6 may be cleared at any time by the following:
•
All open commands (Open, Radio, Exit, Fire)
•
Manual commands (Open, Close, Stop)
C. FAULTS AND THEIR CAUSES
1. IF FAULT AND OVERLOAD LED'S ARE TURNED ON
1. OVERLOAD adjustment is set too low (factory setting is at 3:00 o'clock position).
2. Bad Control board.
3. Bad motor.
Rev C
Doc 6001204 (01-20260)
Page
26 of 40
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