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SL1 v.2.1.0 EN
Trouble-
shooting
The telephone beeps every 5 seconds.
This is to notify the passengers of the ongoing call (anti eaves
dropping)
The unit makes an alarm call when powered up.
• Improper type of emergency button selected. Change from
NC to NO or from NO to NC.
• Emergency button is stuck.
No sound transmitted from the lift car to the call receiver.
Press “0” to get an outside line. Make a call. If the sound transmis-
sion is OK in both directions, check if your emergency operator
supports the chosen alarm type. If no protocol is used, change
the call type to “VOICE”. If no sound is transmitted from the lift car,
check the microphone.
Poor/distorted sound quality.
Volume might be set too loud! Lower the volume and check again.
Interfering noise when the call is connected
The problem might be due to induction in the phone cable. Accor-
ding to the phone companies’ regulations, the phone line must be
installed in a separate cable.
GSM noise.
Change the antenna position when a call is connected until you
find the optimal antenna position. Do not install the antenna near
the unit or close to the cabelling.
Can not dial out
• Broken line connection. (LED not blinking green)
• No money on refill SIM-card, verify the SIM-card by inserting it
into a normal mobile phone.
No voice switching
• The volume is set too high.
• The problem might be due to induction in the phone cable.
The unit can not make an alarm call.
At least one phone number (and one ID code if using data identi-
fication) must be configured to enable making a call from the unit.
Refer to the parameter list (*11*).
Service
Emergency button NO
Emergency button NC