Chamberlain LiftMaster Professional CB22 Instrucciones Y Instalación página 35

The gate must follow a slope.
The force setting has been altered, but no
difference is apparent.
The remote control's range is too short.
The control board does not work any more using
the transmitter, only with the switch and even then
only as long as a button is pressed and kept
pressed.
Open with push-button (1) or CLOSE with push-
button (2)
The unit does not close automatically, it
OPENS automatically
Control board does not work with transmitter
Gate can only be opened
The control board is not running
The wing does not open completely.
(Remote controlled) universal receiver does not work Observe polarity (terminals 14/15)
Not recommended! Change gate! The gate can move in an uncontrolled (dangerous) manner
if the gate opener has been released. A stronger force is needed in the upwards direction of
the slope and then, in the opposite direction, the gate opener's force is too strong.
Disconnect the controller from the power supply for a few seconds in order to activate the
control board's self-diagnosis functionality.
The installation of an external aerial is recommended as the controller with the short cable
aerial is located either behind the post or near ground level in most cases. The optimum
location of the aerial is as high as possible in all cases. An appropriate aerial with installation
kit can be obtained from Chamberlain as an accessory with the product ref. no. ANT4X-
1EML.
1.Dip switch setting not as desired
2.A safety photocell, a contact strip or the
stop disables the control board
3.Only one photocell was connected for
OPEN
Check setting of Dipswitch 7
1. Transmitter not programmed
2. A photocell blocks
1.Photocell blocks
2.Dip switch setting not as desired
No covered distance learned
1.Is the door travel programmed
correctly?
2.Is the force adjusted correctly?
© Chamberlain GmbH 2006, all rights reserved
1.Correction of the dip switch,
elimination of fault required. If the fault
cannot be repaired, it will be necessary
to "reset" and reprogram (see photocell)
2.At least one photocell must be
connected and activated for CLOSED
or OPEN & CLOSED.
Change setting of Dipswitch 7
1.Program transmitter
2.Check photocells
1.Function and connection must be
checked
2.Check dip switch
Learn covered distance.
See Initial operation
1. Program door travel again
2. Increase force (under wind load the
operator may run a bit slower)
Swap "+" and "-" cables
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