21
connected the LED will light.
k) LED 12 indicate the ‘Open limit switch’ status, if the switch is
connected the LED will light.
All these LED position see the Fig.8
10. Maintenance
Check the door once a month. The door should be carefully
checked for balance. The door must be in good working order.
We suggest for safety reasons, photocells be used on all gates.
Disconnect from mains supply before replacing bulb.
Be sure to read the entire manual before attempting to perform
any installation or service to the door operator.
Our company reserves the right to change the design and
specification without prior notification.
11. Troubleshooting
Trouble
Possible causes
Solutions
The door fails to
open and close.
LED
display
does not light.
1. Power is OFF
2. Fuse burn
1. Make sure that
power is ON.
2. Replace fuse.
The door can
open
fails
to
close.
1. Infrared beam is
obstructed.
2.
Infrared
sensor
function is enabling, but
the sensor has not been
installed.
1.
Remove
obstructions.
2. Make sure the
infrared
sensor
function is disabling.
PY-500ACU/PY-800ACU SLIDING GATE OPERATOR