Chairman Only Mode - Bosch CCS800 Service Manual

CCS800 | Service manual | Chapter 7 | Diagnostics and faultfinding
7.5.8

Chairman Only mode

Set the Mode switch at the CPSU successively in the Test and Chairman Only mode.
Measure the DC-voltage via M33 related to M8 (0V).
Mode switch
Test mode
Override mode
7.5.8.1 Delegate microphone temporary off when pressing the priority button at the Chairman unit(s) (TRMO)
•
Connect a Delegate and a Chairman unit to the CPSU.
•
Set the Microphone switch of the chairman unit (see Priority button) in position 0.
•
Press the microphone button on the Delegate unit. The light ring illuminates.
•
Press the priority button of the Chairman unit. The light ring goes out.
•
Release the priority button. The microphone and light ring of the Delegate unit goes on again.
•
Measure the DC-voltage for each step via M33 related to M8 (0V).
Microphone switch
position 0
position 0
7.5.8.2 Delegate microphone permanently off when pressing the priority button at the Chairman unit(s) (RMO)
•
Connect a Delegate and a Chairman unit to the CPSU.
•
Set the Microphone switch of the chairman unit (see Priority button) in position 1.
•
Press the microphone button on the Delegate unit. The light ring illuminates.
•
Press the priority button of the Chairman unit. The light ring goes out.
•
Release the priority button. The microphone and light ring of the Delegate unit stays off.
•
Measure the DC-voltage for each step via M34 related to M8 (0V).
Microphone switch
position 1
position 1
7.5.8.3 Priority switch (only for Chairman units)
•
Connect a Chairman unit to the CPSU.
•
Press the Priority button at the Chairman Unit.
•
The Light-ring must illuminate now.
•
A chime tone will now be emitted depending on the position of the chime switch. This switch is accessible by
removing the cable relief bracket (0=no chime at priority, 1=chime at priority).
•
Set the microphone switch (located near the chime switch) successively in position 0 and 1.
•
Keep the Priority button pressed and measure the DC-voltage via M5, related to M2 (GND).
Mode switch
n.a.
n.a.
Bosch Security Systems | 2005-01| 3922 880 21112
M33
> 4.0V (ORM is activated)
< 0.5V (ORM is inactive)
Priority button
on
off
Priority button
on
off
Microphone switch
0 = permanent OFF
1 = temporary OFF
M33
> 4.0V (TRMO- is inactive)
< 0.5V (TRMO- is activated)
M34
< 0.5V (RMO is inactive)
> 4.0V (RMO is activated)
M5
> 13.35V (RMO activated)
between 8.7V and 10.11V (TRMO- is activated)
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