10
GL1 & GL1-4G v.2.1.1 EN
Interference/
poor sound
quality
Bear in mind that the wiring between GL and the lift telephone/
phone is basically a standard PSTN-line and can therefore not
be placed in the lifts travelling cable together with high voltage.
***(Risk of interference)***
• Always place the antenna in an upward position and at least
1,5 m from GL.
• Place the antenna where the highest field intensity is obtained
according to the table ("LED Indication") for the unit.
• When a call is connected try placing the antenna in different
places to find where the best receiving/sending position is.
Trouble-
shooting
LED1 is not lit when when the unit is connected to supply
voltage.
• Check the supply voltage polarity.
• Make sure that the supply voltage is 10-30 VDC.
LED3 is lit, continous red.
• Make sure that the SIM-card is correctly positioned.
• Check that the SIM-cards PIN-code is deactivated or that the
PIN-code is set to ”1234”, ”0000” or ”1111” (see the section
SIM-card).
• Make sure that the SIM–card is activated and works by testing
the card in an mobile phone.
The call is interrupted directly after being connected.
• If the unit is powered from a battery make sure the battery is
properly charged.
• Make sure that the main power supply can deliver 300 mA
continuous current.
Call can not be connected! Error message from telephone
operator.
• To make a call, area code must always be used.
