Honeywell 900 User Manual page 71

Lead/Reserve CPU Diagnostics
Class Status
LOW BATTERY
FLASH ERROR
RTC GOOD
NOT
PROGRAMMED
BAD DATA
PROGRAMMIN
G FAILURE
READ FAILURE
Revision 9
May 2014
Possible Cause Controller Action
1. Associated rack
Battery voltage is low.
2. SYSTEM
3. SYSTEM
1. Associated rack
Flash failed to burn
2. SYSTEM
N/A N/A
1. Time and date is
RTC not programmed
2. Associated rack
3. SYSTEM
See NOT
Bad date and time
PROGRAMMED.
See NOT
RTC failed to program
PROGRAMMED.
See NOT
Unable to read RTC
PROGRAMMED.
900 Control Station User Guide
Replace battery.
monitor block's
RACK OK pin is
turned off.
MONITOR
block's LOW
BATTERY pin is
turned on.
MONITOR
block's HW OK
pin is turned off.
1. Force a cold start.
monitor block's
2. Replace CPU board.
RACK OK pin is
turned off.
MONITOR
block's HW OK
pin is turned off.
N/A
Program RTC.
set to 00:00:00,
January 1, 1970.
monitor block's
RACK OK pin is
turned off.
MONITOR
block's HW OK
pin is turned off.
1. Program RTC.
2. Cycle power.
3. Replace CPU.
4. Replace boards in rack.
5. Replace rack.
See BAD DATA.
See BAD DATA.
Main Menu
Diagnostics
Fix
59