Bell System bellissimo Specifications download pdf (Page 25)

bellissimo 1 Way Video Entry System

Installation and Operating Manual Page 22 of 25

Troubleshooting

Power Problems

Videophone resetting

(All three indicators lights

come on at once and then go

off).

· Power supply intermittent short or overload.

· More than 1 extension enabled for auto display.

· Lock output short-circuit; see ‘Lock Problems’

28V LED does not light on

controller.

· Temporarily remove connection to 28V+ output.

PS4 output voltage

fluctuating, meter reading

unstable.

· Output overload is causing current limit to

operate

· See Lock Problems below

Video Problems

Blank picture when: -

Calling videophone/

Pressing view

· Broken or missing Video + or Video – wire.

· Cameras incorrectly configured refer to SW2-6

· Call is from an audio only panel.

No picture when calling

videophone

· Check Auto display switch is on. See page 15

No picture when pressing

view

· Another videophone in use

· SW2-8 not set to ‘Enable’

· No entrance has SW3 1-4 set to 1 (all ON)

Repeated pressing of view

does not select cameras in

sequence as expected.

· Check SW2-6 at all entrances is set for correct

number of cameras at that entrance

· Check settings for SW3 if SW2-7 is enabled

· See section ‘Global View’ on page 13

Unstable picture

· Power supply voltage low.

· Terminator switch not set on last videophone.

· Too many terminator switches set on.

· Video gain jumper set to high on a short run.

· Very bright area in background upsetting

camera.

Entrance cannot be seen at

night

· Power not connected to camera IR night

illumination. Connect 1 to + on camera.

Speech Problems

Loud tone at the entrance

speaker. (Acoustic feedback)

· Volume controls set too high

· Broken Audio 1 or 2 wire in the cabling.

· Intermittent or broken wire in Data A or B.

· Videophone has reset; see power faults.

No speech from videophone

to entrance

· Missing R core to door controller

· Broken Audio 1 or 2 connections.

No speech from entrance to

videophone

· Missing T core to door controller

· Broken Audio 1 or 2 connections.

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