Honeywell HC900 Installation And User Manual page 134

Diagnostics and Troubleshooting - User Interface
Table 27 - Controller Module Diagnostics
OI Screen OI Screen
Item Item Value
COMPORT GOOD
FAILED
IO GOOD
MODULE
ERROR
HI TEMP
RACK
BACKPLANE
FAIL
124
Number of Possible Cause
LED
Strobes
N/A N/A
N/A One of the Comm
ports is reporting a
physical or data link
failure
N/A N/A
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.
6 One of the module
diagnostics in the
associated rack is set
to HI CJ
TEMPERATURE.
6 The Main
CPU/Scanner is
unable to successfully
communicate to any
modules that are in its
SPI backplane.
HC900 Hybrid Controller Installation and User Guide
Control File Action
N/A
Refer to related Comm
port diagnostic below.
N/A
Refer to related Module
diagnostic below.
Refer to HI CJ
TEMPERATURE in
Module diagnostics
All associated module
diagnostics are set to
MODULE NO COMM.
Refer to MODULE NO
COMM diagnostic for
further details.
User Action
N/A
1. Check connections
2. Access the Comm
port diagnostics
screen
3. Replace CPU
N/A
1. Access the I/O
Module diagnostics
screen.
2. Install proper module
3. Replace faulty
module
See module
diagnostic actions for
HI CJ TEMP
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.
Revision 5
9/03