Bell View Video Entry System
19
Diagnostic Aids
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 Condition
Steady GREEN System running from the mains.
Flashing GREEN System running from the battery.
Steady RED Output off; Battery charging.
Flashing RED Output short circuit or battery low.
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 Condition (when illuminated)
Bottom PCB (719S)
LED 1 (Green) Speech Active Door 1
LED 2 (Red) Lock Active Door 1
LED 3 (Green) Speech Active Door 2
LED 4 (Red) Lock Active Door 2
Top PCB (819S)
LD 1 (Red) Camera Active Door 1
LD 2 (Red) Camera Active Door 2
Two test buttons are provided to assist in fault diagnosis during installation and
commissioning.
Button Action (when momentarily pressed)
TEST 1 Speech and Camera enabled on Door 1
TEST 2 Speech and Camera enabled on Door 2
Note : The telephone still needs to be called to enable the speech and camera.
