
7
RELEASE OPERATION
5. RELEASE OPERATION
Use the lever of the integral release to release the bar-
rier.
After release is completed, the boom can be opened and
closed manually.
In order to raise or lower the boom in case of a power
failure do the following:
Turn the release lever (see the picture) clockwise till the
stop.
Raise or lower the boom manually.
In order to return to automatic control do the following:
Turn the release lever to mid-position.
Raise and lower the boom using the operator.
6. MAINTENANCE
The Barrier automatic system does not require any special servicing.
Repairs may be carried out only by a qualified technician trained and certified at an authorized DoorHan centre.
The installer shall supply all information concerning manual operation of the system in case of an emergency, and shall
hand over to the User the Manual supplied with the product.
It is highly recommended to use DoorHan original spare parts when servicing the barrier.
Carry out maintenance of the automatic system at least every six months.
Verify the boom moves smoothly when automatically operated.
Regularly check if the extreme positions of the boom travel are properly adjusted and safety devices are in good working
condition.
In case of power failure the barrier will stop. As soon as power supply is restored you can control the barrier as usual.
After expiration of life time, the item shall be delivered to a specialized disposal point!
If you have lost this Manual, you may request for the duplicate copy to the following address: Kralovsky VRCH 2018, Kadan,
The manufacturer (DoorHan) does not supervise barrier installation, or carry out their maintenance, thus DoorHan cannot
be held liable for safety of installation, operation and maintenance of the equipment.
7. TROUBLESHOOTING
Symptom Possible reason Solution
The barrier won't operate
Electric power is disconnected Verify the power is on
Boom movement is restricted Remove the restriction
Bad connection of electric wires Check wires connection
The barrier is released Engage the barrier
After emergency release the barrier won't operate even
after pushing the buttons of control panel or remote
control
Return to starting position was not
executed
Move the release lever to midposition
(refer to “Release operation”)
Sudden stop of the barrier Force protection is activated Adjust the barrier force
The boom lifts or lowers in jerks or stops suddenly The boom is not balanced Adjust the balancing spring
The boom won't open/close fully Wrong adjustment of the limit switches Adjust the limit switches