KEY 900SN-21CS Manual De Instrucciones página 25

Visual diagnosis of correct connection of controls:
The control unit is designed to permit installation as quickly as possible, and thus to see immedi-
ately whether the wiring connections are correct by means of LED indicators:
• STOP input no. 23 in which the use of a N.C. contact is mandatory must be closed
and the two LCD dots must NOT flash. If they flash this means that the contact is open
• The CST input no. 22 in which the use of a N.C. contact is mandatory must be
closed and the two LCD dots must NOT turn on steady, if they are ON STEADY this
means that the contact is open
• The photo open F2 input no. 21 in which the use of a N.C. contact is mandatory
must be closed and the F2OP left LCD dot must be OFF, if it ON STEADY this means that
the contact is open
• The photo close F1 input no. 20 in which the use of a N.C. contact is mandatory
must be closed and the F1CL right LCD dot must be OFF, if it ON STEADY this means
that the contact is open
N.B. In normal conditions of use, the LCD dots must not flash or be on steady, they turn on or flash
if the corresponding safety is tripped
• With the automation closed, will be shown
• During OPENING the display will show OP
• If you have selected Automatic operation, TC will be shown in the pause time
• During CLOSING the display will show CL
• By using a new P/P command check that the complete opening of the door is carried out up to the
stop. At this point press the P/P button again and check the complete closing of the door up to the
stop.
• After having verified the correct complete opening and closing enable the deceleration based on
the desired percentage ( Par. H ) and the maximum motor force ( Par. A )
F1 F2
• The electronic brake is always active in both operating directions, when it
intervenes the operation reverses for both doors for 2 sec., then the movement
is stopped for 1 sec. then it continues motion in the direction opposite of the
obstacle; if it intervenes three consecutive times, the entire system will STOP,
Sc EM
deactivating the automatic closure if necessary, making it necessary for the user
to provide a start impulse, upon which the control unit will perform a realignment
when opening, showing EM on the display.
VISUAL DIAGNOSIS
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