Bosch D6600 Operation And Installation Manual page 29

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Table 10: Hardware Troubleshooting Guide (continued)
Problem Symptom
•
Operator alert
buzzer cannot be
silenced.
•
•
D6200 cannot D6200 serial connection is
connect to the defective, missing, or incorrect
D6600. serial cable.
Bosch Security Systems | 2/05 | 4998122704E
D6600 | Operation and Installation Guide | 15.0
System stalled
Defective [Acknowledge]
key
Defective user interface
card
Solution
•
Check watchdog LED on the inside of the door behind the
keypad. LED must flash for a running system. A solid light does
not indicate a running system. Reset power cycle of the D6600
if stalled.
•
Order replacement part P6603.
•
Return the D6600 for repair.
•
Ensure the cable between the PC and the D6600 is null-
modem. Also ensure the cable is not damaged. Inspect all pins
on the D6600, PC, andserial cable.
•
Ensure the null-modem cable is connected to the correct COM
port of the PC (as per the D6200 COM setting; COM1
through COM8).
•
COM settings do not match. In the D6200, under the Settings
Menu, select COM SETTINGS. Confirm all settings match the
configuration of the D6600 Host Programming Parameters
(Menu Item 4.5 Parameters).
•
On the D6600, ensure Menu Item 4.5.9 RS-232 Direct Access
Permission is set to 1.
•
If upgrading software, ensure Menu Item 4.5.7 Software
Programming Enable (on the D6600) is set to 1.
If Software Programming Enable is set to zero
(0), communication between the D6200 and
the D6600 is successful but file upgrades fail.
•
If using COM4 through a direct connection, Menu Item 6.1.5
COM4 Network Adapter must be set to 0.
•
If using COM1 through a direct connection, Menu Item 6.2.5
COM1 Network Adapter must be set to 0.
•
Port conflicts with other applications on the host PC.
•
Reboot the PC and restart the D6200 with no other
applications running.
•
Defective CPU terminator card.
•
Defective CPU card.
•
Defective PC COM port.
Troubleshooting Guide
29