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Diagnostics and Troubleshooting - User Interface
Revision 5 HC900 Hybrid Controller Installation and User Guide 131
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
RS-232 HW
FAILURE
8 The DUART failed its
power-up tests.
1. Rack 1 monitor block’s
COMPORT DIAG is set
to FAILED.
2. Rack 1 monitor block’s
RACK OK pin is turned
off.
3. ASYS and FSYS
blocks’ HW OK pins are
turned off.
4. If configured as a
Modbus master:
1. ASYS and FSYS blocks’
Modbus Master Fail pins
are turned on.
2. All Modbus slave and
Modbus read blocks have
their read pins frozen to the
last value read.
3. All slave blocks have
their BAD COMM and NO
SCAN pins turned on.
4. IN SCAN STATUS is set
to NO for all slaves.
5. COMM STATUS is set
to BAD for all slaves in the
function block diagram.
6. Statistical data for all
slaves is frozen.
7. All slaves in the function
block diagram are scanned
at the background scan
rate.
Replace CPU module
RS-485 GOOD N/A N/A N/A N/A
See RS-232
9
See RS-232 See RS-232 See RS-232
NET PORT GOOD N/A N/A N/A N/A
NETWORK
SETUP
ERROR
10 Controller/network
names determined on
network are illegal
1. Rack 1 monitor block’s
COMPORT DIAG is set
to FAILED.
2. Rack 1 monitor block’s
RACK OK pin is turned
off.
3. ASYS block’s HW OK
pin is turned off.
Correct the setup
problem.
NO IP
ADDRESS
10 DHCP and IP address
are not configured
SEE NETWORK SETUP
ERROR
Enter an IP address.
HARDWARE
FAILURE
10 Ethernet port tests
failed during power-
up.
Replace CPU module.