Diagnostic Aids; Power Supply Status; 819S Switching Unit (Multi-Door Systems) - Bell System bellview Installation & Operation Manual

Power Supply Status

The PSU138B Power Supply has to LEDs to indicate the 12V output state and the
condition of the standby battery (when fitted).
LED
Steady GREEN
Flashing GREEN
Steady RED
Flashing RED

819S Switching unit (Multi-door systems)

To assist in testing and fault diagnosis there are 6 LED indicators on the 819S
Switching unit. 4 LEDs on the bottom PCB and 2 on the top:
LED
Bottom PCB (719S)
Top PCB (819S)
Two test buttons are provided to assist in fault diagnosis during installation and
commissioning.
Button
TEST 1
TEST 2
Note : The telephone still needs to be called to enable the speech and camera.
Bell View Video Entry System

Diagnostic Aids

Condition
System running from the mains.
System running from the battery.
Output off; Battery charging.
Output short circuit or battery low.
LED 1 (Green)
LED 2 (Red)
LED 3 (Green)
LED 4 (Red)
LD 1 (Red)
LD 2 (Red)
Action (when momentarily pressed)
Speech and Camera enabled on Door 1
Speech and Camera enabled on Door 2
Condition (when illuminated)
Speech Active
Lock Active
Speech Active
Lock Active
Camera Active
Camera Active
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Door 1
Door 1
Door 2
Door 2
Door 1
Door 2