CONTROL PANEL
ETV 0853-3
12.04.2017
Page 23
05
Watchdog
The program was interrupted through the
watchdog logic.
Possible Causes:
-
Interrupts the user program
blocked of a long time period
(STI instruction forgotten)
-
Programming error in a hardware
interrupt.
-
INB, OUTB, INW, OUTW instruc-
tions used incorrectly.
-
The processor is defect.
Solution:
-
Correct programming error.
-
Exchange CPU.
06
GENERAL ERROR
GENERAL ERROR
Stopping the application from the online
interface has failed.
This error occurs during the devel-
opment stage of operating system
only.
07
PROM DEFECT
An error has occurred while program-
ming the memory module.
Cause:
-
The program memory module is
defect.
-
The user program is too large.
-
The program memory module is
missing.
Solution:
-
Exchange the program memory
module
08
Reset
The CPU has received the reset signal
and is waiting for further instructions.
The user program is not processed.
Info
09
WD DEFEKT
The hardware monitoring circuit (watch-
dog logic) is defect.
After power-up, the CPU checks the
watchdog logic function. If an error
occurs during this test, the CPU deliber-
ately enters an infinite loop from which
no further instructions are accepted.
Solution: Exchange CPU
10
STOP
The program was stopped by the pro-
gramming system.
11
PROG BUSY
Reserved
12
PROGRAM LENGTH
Reserved
