HZS 7321
TOUCH OPERATING PANEL
Page 32
04.09.2020
05
WATCHDOG
The program was interrupted via the
watchdog logic.
Possible Causes:
-
User program interrupts
blocked over a longer period of
time (STI command forgotten).
-
Programming error in a hard-
ware interrupt.
-
INB, OUTB, INW, OUTW in-
structions used incorrectly.
-
The processor is defective.
Solution:
-
Correct programming error.
-
Exchange CPU
06
GENERAL ERROR
General error
An error has occurred while stopping the
application via the online interface.
This error occurs only during the
development of the operating
system.
07
PROM DEFECT
An error has occurred while programming
the memory module.
Causes:
-
The program memory module
is defective.
-
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 DEFECT
The hardware monitoring circuit (watch-
dog logic) is defective.
After power-up, the CPU checks the
watchdog logic function. If an error occurs
during this test, the CPU deliberately en-
ters 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
13
PROG END
A memory module was successfully pro-
grammed.
Info
14
PROG MEMO
The CPU is currently programming the
memory module.
Info
