Honeywell HC900 Installation And User Manual page 146

Diagnostics and Troubleshooting - User Interface
Table 30 - Scanner Diagnostics
Diagnostic Number
Condition
of
Strobes
Communication 2
failure to main-
CPU
Ethernet port data 2
link failure
Ethernet port 2
hardware failure
136
Possible Cause
The scanner is not receiving any
messages from the main CPU.
The communications to the
main CPU is resulting in a lot of
DLL errors.
The power-up test of the
Ethernet controller failed.
HC900 Hybrid Controller Installation and User Guide
Scanner Action User Action
Does no scanning of 1. Verify that the jumpers on the
modules. Modules scanner are setup for the
remain in their failsafe correct rack address.
state.
2. Check that cable is connected
to expansion rack(C50 CPU
only).
3. If a hub is used, check that all
cables are properly connected
to the hub, proper crossover
cables are used, and that hub
is powered.
4. Cycle power to the rack.
5. Cycle power to the hub.
6. Replace the expansion
rack's(C50 CPU only) power
supply.
7. Replace the expansion rack.
8. Replace the expansion rack's
scanner module.
9. Replace the main CPU.
Does no scanning of 1. Verify that the jumpers on the
modules. Modules scanner are setup for the
remain in their failsafe correct rack address.
state.
2. If a hub is used, check that all
cables are properly connected
to the hub, proper crossover
cables are used, and that hub
is powered.
3. Cycle power to the rack.
4. Cycle power to the hub.
5. Replace the expansion
rack's(C50 CPU only) power
supply.
6. Replace the expansion rack.
7. Replace the expansion rack's
scanner board.
8. Replace the main CPU.
Does no scanning of Replace scanner module
modules. Modules
remain in their failsafe
state.
Revision 5
9/03