Comelit HFX-900R Troubleshooting guide

HANDS-FREE 7" TOUCH SCREEN
VIDEO INTERCOM SYSTEM
OWNER,S MANUAL
INSTALLATION GUIDE
HFX-900R

1
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3
4
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12
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25
1.Introduction
2.Parts Identification
2.1.Contents of the package
2.2.Main monitor function
2.3.Video door phone function
3.Expansion and accessories
3.1.EX-900H expansion monitor
3.2.EX-VIN external camera signal converter
3.3.EX-HUB home run configuration hub
Section 1: Article Operation
Section 2: Article Installation
1.System layout 1
2.System layout 2
3.Wiring and its terminals
4.Installation
5.Technical specifications
6.Trouble shooting
26
27
28
29
Section 3: Appendix
1. WARNING
2. IMPORTANT SAFETY INSTRUCTIONS
3. FCC CLASS B NOTICE
4. SERVICE AND WARRANTY
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Thank you for purchasing the Hands-Free 7" expandable Video intercom
system; HFX-900R.
This intercom system uses 2-wire installation and allows you to identify
and communicate with callers at the door, from the security and
convenience of any room in your home or office. Visitors activate the
system by pressing a call button on the outdoor camera, which sounds
a doorbell chime as well as turning on the inside video monitor.
A two-way intercom then lets you speak with visitors after first visually
identifying them.
It consists of a monitor station and an outdoor doorbell/camera unit.
This unit is capable of expanding up to a total of 8 indoor monitors and
4 door cameras.
For more information regarding the complete line of our products,
please visit www.comelitusa.com
1.Introduction
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Section 1: Article Operation
2.Parts Identification
HFX-900R Main monitor identification
1. Microphone
2. 7" Color TFT Screen
3. Speaker
4. Wiring terminals
9.06in
1.25in
6.6in
2 6
7
1
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5. External chime type Jumper
6. Power button
7. SD slot (micro SD card not
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HFX-900R Door Camera identification
5.12in
3.86in 1.42in
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2.1.Contents of the package
Main monitor Flush mount bracket
Anchor plateSpring
Door camera
Removable wiring terminals
Power adapter
Manual
Wall mount bracket
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HANDS-FREE 7" TOUCH SCREEN
VIDEO INTERCOM SYSTEM
OWNER,S MANUAL
INSTALLATION GUIDE
HFX-900R

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2.2.Main monitor function
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2.2.4 Day/Night Mode Function
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DOORBELL CAM 01
NONE
DOORBELL CAM 02
Normal Mode
No Doorbell Camera
Auto-Unlock :
Auto door release upon
call
Door Station Status
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2.2.5 Auto-unlock Mode
DOORBELL CAM 02 DOORBELL CAM 01
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2.2.6 Intercom All-page with other monitors
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Recording
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2.2.7 Door camera monitoring
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2.2.8 Video Recording playback
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Screen Saver
2.2.9 Multi-media screen saver function
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DR1 : Doorbell camera
DR2 : Camera
DR3 : None
DR4 : None
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System Settings
Interface
Operating Instructions
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2.3. Video door phone function
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3. Expansion and accessories
3.1. EX-900H
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3.1.1 Clock Adjustment
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3.1.2 Privacy Mode
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3.1.3 Intercom w/ other monitor
All-Page Initiated Intercom Conversation
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Intercom Conversation
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3.1.4 Camera surveillance
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DR2 : Camera
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DR4 : None
1 / 4
System Settings
Operating Instructions
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3.2. EX-VIN external camera signal converter
3.2.1 EX-VIN Identification
3.2.2 EX-VIN Operation
1. Power LED
2. The 2-wire terminals for
connecting to the main monitor
3. BNC connector for external
camera video input
13 2
A. EX-VIN converts any standard CCTV signal to the 2-wire transmission format of
the system.
B. Press the monitor button and select the camera you wish
to view with the EX-VIN installed.
C. Pressing the cut-off button to exit the monitoring mode.
* The EX-VIN does not provide power to the external CCTV Camera.
3.3. EX-HUB home run configuration hub
3.3.1 EX-HUB Identification
3.3.2 EX-HUB Function
A. Provides the ability to wire the HFX-900R and expansion monitors
in a home-run configuration, up to 5 monitors.
B. The wiring hub can amplify and distribute the 2-wire signal among the
sub monitors, effectively doubling up the distance from the master to the last
expansion.
C. The power LED is "on" during normal operation.
D. The HFX-900R series has the ability to connect 2 EX-HUB units
together to expand to a total of 8 Monitors
2. “IN” terminals for main monitor
and “POWER” terminals for
power adapter
1. Power LED
3. “OUT” terminals for expansion
monitor.
2 1 3

1.System layout 1
Maximum wiring distance
(using dry contact lock control at doorbell camera)
Maximum wiring distance
(using the 12VDC/300mA lock control at doorbell camera)
NOTE : CAT-5 is not recommended for this type of installation.
EX-720D HFX-900R KIT EX-900H
NOTE: This system is capable to expanding up to 4 doorbell cameras and 8
Monitors. For alternative application please consult our technical support
engineer first.
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Section 2: Article Installation

2.System layout 2
NOTE 1: The wiring HUB can amplify and distribute the 2-wire signal
among the main monitor and sub-monitors.
NOTE 2: the system is capable of expanding up to a total of 5 monitors
with 1 EX-HUB.
Maximum wiring distance
(using dry contact lock control at doorbell camera)
Maximum wiring distance
(using the 12VDC/300mA lock control at doorbell camera)
NOTE : CAT-5 is not recommended for this type of installation.
HFX-900R
EX-720D
EX-900H
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