Honeywell 900 - Page 52

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Diagnostics Controller Diagnostics
40 900 Control Station User Guide Revision 9
May 2014
Item Status Possible Cause Controller Action What to do
BAD VERSION
The Main CPU
determined that its
software is not
compatible with the
scanner module.
All associated module
diagnostics are set to
MISSING/NO COMM.
Refer to MISSING/NO
COMM diagnostic for
further details.
1. Upgrade the scanner software either
by replacing the module or doing a
code-download.
2. Update Main CPU software either by
replacing the module or doing a code
download.
RTC Status GOOD N/A N/A N/A
NOT
PROGRAMMED
RTC not programmed
1. Time and date is set to
00:00:00, January 1, 1970.
2. Associated rack monitor
block’s RACK OK pin is
turned off.
3. SYSTEM MONITOR
block’s HW OK pin is
turned off.
Program RTC.
BAD DATA Bad date and time
See NOT
PROGRAMMED.
1. Program RTC.
2. Cycle power.
3. Replace CPU.
4. Replace boards in rack.
5. Replace rack.
PROGRAMMING
FAILURE
RTC failed to program
See NOT
PROGRAMMED.
See BAD DATA.
READ FAILURE Unable to read RTC
See NOT
PROGRAMMED.
See BAD DATA.
Comm Port
Status (Rack
1)
IO Comm
Link Status
(Rack 2-5)
Good N/A N/A N/A