Rev J
Doc 01-20098
Page 34 of 44
APPENDIX A
SYSTEM OPERATION REFERENCE
CONTROLS, INDICATORS, INPUTS AND ADJUSTMENTS
For control and indicator locations, refer to Figure 17. For detailed explanations of the Gate
Operator’s various controls, indicators inputs and adjustments, refer to the following pages.
CONTROLS
KEYPAD
The 12-key keypad is used for local operation, programming and
service.
SWITCH S2
GATE OPEN TO
Selects the direction the gate will open (LEFT/RIGHT).
LEFT/RIGHT
SWITCH S3
LOW BATTERY
Selects the direction the gate will move (left/right) and remain
LEFT/RIGHT
there, when the Low Battery input is activated by an
Uninterruptible Power Supply (UPS).
INDICATORS
LED indicators light when controls and inputs are active. Additional indicators are as
follows:
DISPLAY
This is a seven segment character display that gives numerical
response to service personnel during programming and
operation.
LEFT LIMIT
Indicates that the LEFT limit switch is activated.
RIGHT LIMIT
Indicates that the RIGHT limit switch is activated.
RECV
Indicates data is being received from the other unit in a Master/
Slave system.
XMIT
Indicates data is being sent to the other unit in a Master/Slave
system.
OFF HOOK
Indicates the gate operator is off hook and using the phone
line.
OBSTRUCTION
Indicates the peak or average motor current threshold was
reached and the motor was stopped. See Fault List.
INTERRUPT BAR
Indicates Interrupt Bar (Edge Sensor) switch was activated
(EDGE SENSOR)
and the motor was stopped.
OPEN MTR
Indicates the motor is engaged, but is not drawing any current.
The thermal overload switch on the motor may need to be
reset. See Fault List.
STUCK LIMIT
Indicates that a limit switch is stuck closed.
MAX RUN TIME
Indicates the motor ran for 75 seconds without reaching a limit
switch and was stopped. Usually requires mechanical service.
See Fault List.
LINE
Indicates an incoming telephone call ring detect and whether
the phone line is available when the gate operator wants to
initiate a call.
MTR LEFT
Indicates the gate is moving counterclockwise.
MTR RIGHT
Indicates the gate is moving clockwise.
MAG LOCK
Indicates the Mag Lock is engaged.
OBSTRUCTION
Indicates the Obstruction Alarm has sounded after two
ALARM
consecutive gate obstruction faults.