Conqueror FBC220 사용자 설명서 - 페이지 17

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GARAGE DOOR OPERATOR USER'S MANUAL

8. Maintenance

Check the door once a month. The door should be carefully checked for balance. The

door must be in good working order.

Check and add lubricant regularly.

The auto-reverse function should be regularly inspected, and adjusted if necessary. For

service, call an experienced serviceman.

We suggest for safety reasons, photocells be used on all doors.

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.

9. Troubleshooting

Trouble

The door fails to open and

close. LED display does not

light.

After program the open and

close limit, the motor fails to

work.

The door can open but fails

to close.

Remote control does not

work.

The

transmitter

operating

distance becomes short or

indicator

light

transmitter begins to dim.

Possible causes

1. Power is OFF.

2. Fuse blown.

1. The screws on the tachometer

(on motor) are loose.

2. Open and close limit.

Infrared photocell function is

enabled, but the photocell has

not been installed or infrared

beam is obstructed.

1. Battery level may be low.

2. Transmitter

Battery level may be low.

the

Solutions

1. Make sure that power is ON.

2. Replace fuse.

1. Tighten the two screws. See

Fig.21

2. Reprogram the open and

close limit.

Make sure the infrared photocell

function is disabled. Remove

obstructions or aligning the

transmitter and receiver.

1. Replace the battery inside the

transmitter.

2.Re-program the transmitter.

Replace battery.