ABB Uvisor SF910i - Failures Detected by On-Board Diagnostic Routines; Fatal Errors

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
DescriptionProgram Monitoring Error Message
At least one major software task is not executing timelyTASK MONITORING FAILURE
Time slot monitoring of interrupt routines fail (no
interrupts or interrupts too frequent)
TIME SLOT MONITORING FAILURE
Check control flow failedCTRL FLOW FAILURE
Background diagnostic functions not executedDEAD MAN TIMER FAILURE
Main program execution time frame failureMAIN PROGRAM MONITORING FAILURE
Table 17.3: Instruction Execution Error Message
DescriptionInstruction Decoding Error Message
CPU’s instruction set failureCPU INSTRUCTION FAILURE
Table 17.4: Memory Error Message
DescriptionMemory Error Message
Program memory failureFLASH CRC FAILURE
Stack(s) overflow and/or underflowSTACK OVERFLOW FAILURE
Check for setup data (parameters) failFRAM CRC FAILURE
RAM variables for firmware download are OK, but in flash it is no
exist
WRONG FW DOWNLOAD
RAM testRAM TEST FAILURE
Table 17.5: Hardware Circuitry Error Messages
DescriptionHardware Circuitry Error Messages
24V power level reached a value over 28.8V or below
15V
POWER FAILURE
Check VRELAY signal failedVRELAY ERROR
At least one local button is shortedLOCAL KEYBOARD FAILURE
8VZZ005286 B 110
17 Diagnostics
17.1 Failures Detected by On-board Diagnostic Routines