Failures Detected By On-Board Diagnostic Routines; Fatal Errors - ABB Uvisor SF910i User Manual

17 Diagnostics

17.1 Failures Detected by On-board Diagnostic Routines

17.1 Failures Detected by On-board Diagnostic Routines

17.1.1 Fatal Errors

Error messages (if possible) will be shown on the local display.
Table 17.2: Program Monitoring Error Message
Program Monitoring Error Message
TASK MONITORING FAILURE
TIME SLOT MONITORING FAILURE
CTRL FLOW FAILURE
DEAD MAN TIMER FAILURE
MAIN PROGRAM MONITORING FAILURE
Table 17.3: Instruction Execution Error Message
Instruction Decoding Error Message
CPU INSTRUCTION FAILURE
Table 17.4: Memory Error Message
Memory Error Message
FLASH CRC FAILURE
STACK OVERFLOW FAILURE
FRAM CRC FAILURE
WRONG FW DOWNLOAD
RAM TEST FAILURE
Table 17.5: Hardware Circuitry Error Messages
Hardware Circuitry Error Messages
POWER FAILURE
VRELAY ERROR
LOCAL KEYBOARD FAILURE
8VZZ005286 B
At least one major software task is not executing timely
Time slot monitoring of interrupt routines fail (no
interrupts or interrupts too frequent)
Check control flow failed
Background diagnostic functions not executed
Main program execution time frame failure
CPU's instruction set failure
Program memory failure
Stack(s) overflow and/or underflow
Check for setup data (parameters) fail
RAM variables for firmware download are OK, but in flash it is no
exist
RAM test
24V power level reached a value over 28.8V or below
15V
Check VRELAY signal failed
At least one local button is shorted
Description
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