Service manual

Self-Tests 97
B.11 NVR (test D)
The nonvolatile RAM (NVR) power-up self-test has one longword of status
information in the following format:
NVR 0000.00XX
where XX is one of the status or error codes listed in the following table:
Code Status Definition
1 Status: Success
5 Status: Battery voltage was low since last entry
8 Error: NVR failed
80 Error: The battery check code in the NVR did not agree with the
expected check code
B.12 CLK (test E)
The time-of-year clock (CLK) power-up self-test has one longword of status
information in the following format:
CLK 0000.00XX
where XX is one of the status or error codes listed in the following table:
Code Status Definition
1 Status: Success
5 Status: Clock has not been reset since the last time the battery
voltage was low
3 Error: Internal test value to inform dispatcher to check time at the
end of the testing (should never be reported)
4 Error: Invalid time set
10 Error: Failure in time-of-year test
20 Error: VRT bit failed to set after it was read the first time
40 Error: Battery voltage level was down during the clock test