Troubleshooting - golmar Rock Serie Manuel D'installation

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Your device does not work.
Make sure that power supply output tension between terminals '–' and '+' remains between 17,5
and 18,5Vd.c. Otherwise, disconnect the power supply from the system and measure tension
again . If it is correct, there is a leakage in the system. Disconnect the power supply from the
network and check the system.
Make sure that terminal 'D' is not short-circuited to terminals '–' or '+'.
Make sure that terminal 'D' has not been exchanged with 'A' in a part of the system.
Audio volume inadequate.
Adjust audio levels following the instructions indicated on page 51. In case of feedback, reduce
the volume until it disappears. If the feedback disappears only by reducing volume to a
minimum level, probably another problem exists.
Persisting audio feedback
Make sure that terminal 'A' is not short-circuited to any other terminal and that it has been properly
connected.
Door opening function cannot be activated.
Remember that this function can be activated only during calls and communication.
Make sure that the JP1 jumper located in the rear part of the doorpanel is in a correct position (see
page 45).
Make sure that the connection has been carried out acccording to the type of door opener installed (see
page 57).
Make a short circuit between doorpanel terminals 'CV1' and 'CV2'; in this moment the value
between the door opener terminals should be 12Vd.c. or a.c. (According to the doorpanel
configuration, see page 57). In such a case, check door opener condition.
The door opener remains enabled.
If you are using an alternative current door opener, check its connection by means of the diagram
shown on page 57.
The device cannot be set up.
Make sure that number 2 in the configuration microswitch is set to ON (see page 45) and that the
program sequence is correct (see pages 49 and 51).
Make sure that terminal 'D' is not short-circuited to any other terminal
Some monitors (phones) do not receive calls.
Remember that each house mut be equipped with a unique main terminal. Make sure that the
terminal has been properly set up and that it is on.
Make sure that the master monitor or phone is on.
The monitor does not show images.
Make sure that number 44 in the configuration microswitch is set to OFF (see page 45).
Check the proper connection of coaxial cable or twisted pair by means of the diagrams shown on
pages 53 and 56.
The monitor shows a distorted or a low-defined image.
Check the proper connection of coaxial cable or twisted pair by means of the diagrams shown on
pages 53 and 56, pay particular attention to the cable correct polarity.

TROUBLESHOOTING