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Diagnostics and Troubleshooting - User Interface
124 HC900 Hybrid Controller Installation and User Guide Revision 5
9/03
Table 27 - Controller Module Diagnostics
OI Screen
Item
OI Screen
Item Value
Number of
LED
Strobes
Possible Cause Control File Action User Action
COMPORT GOOD N/A N/A N/A N/A
FAILED N/A One of the Comm
ports is reporting a
physical or data link
failure
Refer to related Comm
port diagnostic below.
1. Check connections
2. Access the Comm
port diagnostics
screen
3. Replace CPU
IO GOOD N/A N/A N/A N/A
MODULE
ERROR
6 One of the module
diagnostics in the
associated rack is set
to WRONG MODULE,
NO COM/MISSING
MODULE (if the
communications is
failing due to the
module not installed),
BAD MODULE, or
BAD CHANNEL.
Refer to related Module
diagnostic below.
1. Access the I/O
Module diagnostics
screen.
2. Install proper module
3. Replace faulty
module
HI TEMP 6 One of the module
diagnostics in the
associated rack is set
to HI CJ
TEMPERATURE.
Refer to HI CJ
TEMPERATURE in
Module diagnostics
See module
diagnostic actions for
HI CJ TEMP
RACK
BACKPLANE
FAIL
6 The Main
CPU/Scanner is
unable to successfully
communicate to any
modules that are in its
SPI backplane.
All associated module
diagnostics are set to
MODULE NO COMM.
Refer to MODULE NO
COMM diagnostic for
further details.
1. Remove modules
and check for bent
pins on connectors.
2. Reinsert modules
one at a time and
note which module
the diagnostic
reoccurs, and
replace that module.
3. Cycle power to the
rack.
4. Replace the power
supply.
5. Replace the rack.
6. Replace the CPU
board.