Bellcall Digital Door Entry System
PD-083 Issue 3A
Installation and Operating Manual
Page 27 of 46
Call Problems
Cancel button does not work.
Cancel button is only used to exit panel programming
or delete a partly entered flat number. It does not
cancel a call or phone programming.
Phone does not ring.
Cannot program phone.
Rings but no speech.
Speech but no lock.
Loud screech on hang-up or
on pressing lock button.
Data wiring fault on A or B wires. Check for A and B
reversed, a short A to B, a short to ground or power.
Phone off hook or muted on full mute.
No power to phone; check that red lamp flashes when
handset is picked up.
0V to controller missing on separately powered
phone.
Pushbutton wiring error, try short length at controller.
No extension phone rings or
flashes when called.
Master phone off hook or muted on full mute.
Green Lock light on phone
flashes once when called.
Phone set to slave with no master present or
responding.
Speech Problems
Loud tone at the entrance
speaker. (Acoustic feedback).
Volume controls set too high
Broken Audio 1 or 2 wire in the phone cabling.
Data wiring fault on A or B wires. Check for A and B
reversed, a short A to B, a short to ground or power.
Intermittent or broken wire in Data A or B.
Phone has reset; see power faults.
Check model 61 is hard against the panel with no
gaps.
Check model 61 speech unit is the right way round
and that the microphone hole in the speech unit lines
up with the hole in the panel.
Low volume speech in one or
both directions
Adjust pot on 61 speech unit marked A and with a
speaker symbol for volume at the panel.
Adjust pot on 61 speech unit marked B and with a
microphone symbol for volume at the phone.
If volume cannot be increased in one direction without
feedback, the volume in the other direction may have
to be reduced as a compromise.
Check model 61 is hard against the panel with no
gaps.
Check model 61 speech unit is the right way round
and that the microphone hole in the speech unit lines
up with the hole in the panel.
No speech from phone to
entrance.
BCP1 – Internal fault.
BSD-DIG – Missing R core to door controller
Broken Audio 1 or 2 connections.
No speech from entrance to
phone.
BCP1 – Internal fault.
BSD-DIG – Missing T core to door controller
Broken Audio 1 or 2 connections.
