58
Class 2 alarms
These are caused by hardware faults on the MPU5 board. Most alarms of this class are
generated during power up self-test.
When shown on the display these alarms range from 21 - 2F with a Bacta code 31, 32, 53 or 54
Class 3 alarms
These are caused by faults on the MPU6.
When shown on the display these alarms range from 31 - 36 with a Bacta code 51 or 52
Class 4 alarms
These alarms are the result of inconsistencies detected during software checks. These can be
caused by software bugs or hardware problems with the memory.
When shown on the display these alarms range from 41
–
4E with a Bacta code 42, 48, 53 or
90.
Bacta Code
Barcrest No.
Message
53
21
RAM TEST FAILED
54
22
BARBUS FAILED
54
22
CPU PIT FAILED
54
22
CPU UART FAILED
54
23
MPU6 UART FAULT
54
24
ASIC TEST FAILED
54
25
MSP430 FAILED
54
2A
METER SENSE FAIL
54
2A
LCD METER FAIL
54
2A
LCD METER CHANGED
54
2B
RTC FAILED
42
2C
MPU6 BATTERY
54
2F
USBDEV PORT FAIL
Bacta Code
Barcrest No.
Message
51
31
PROM CHECKSUM
51
32
PROM INTEGRITY NO DSP
51
32
PROM MISSING
51
33
MISSING APP PROM
51
34
PROMS MISPLACED
51
35
PROMS SWAPPED
52
36
NO ID CELL
52
36
BAD ID CELL
52
36
INVALID ID CELL
52
36
WRONG ID CELL
Bacta Code
Barcrest No
Message
90
41
SOFTWARE CHECK
90
42
STACK ERROR
90
43
STACK OVERFLOW
53
44
INSUFFICIENT RAM
90
45
SOFTWARE WARNING
90
46
VERSION UPDATE
90
47
RANGE CHECK
42
48
MEMORY CORRUPT
48
49
TAMPER CHECK
45
4A
NEW SJ KEY
90
4B
FLASH UPDATE
90
4B
IRDA ACCESS
90
4C
BOUND ERROR
90
4D
UNUSED INPUT
90
4E
UNUSED MEMORY
