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T1/T1S User’s Manual
10. Troubleshooting
Error messa
g
e and related information Special Meanin
g
and countermeasures
Event Info 1 Info 2 Info 3 device
Ille
g
al inst Pro
g
ram
t
y
pe -
block No.
Address
in the
block
S006
S030
S060
An ille
g
al instruction has been detected in the
pro
g
ram. (Error down)
Reload the pro
g
ram and execute EEPROM
write operation a
g
ain.
Ille
g
al s
y
s intrpt Interrupt
address 1
Interrupt
address 2
Unre
g
istered interrupt has occurred. (No
error down)
If the error occurs frequentl
y
, replace the unit.
Invalid Fun inst Pro
g
ram
t
y
pe -
block No.
Address
in the
block
Fun No. A function instruction which is not supported
b
y
the T1/T1S is pro
g
rammed. (Error down)
Correct the pro
g
ram.
Invalid pro
g
ram Pro
g
ram
t
y
pe -
block No.
A basic ladder instruction which is not
supported b
y
the T1/T1S is pro
g
rammed.
(Error down)
Correct the pro
g
ram.
SUBR instruction is not pro
g
rammed before
RET instruction. (Error down)
Correct the pro
g
ram.
An abnormalit
y
is detected in the pro
g
ram
mana
g
ement information. (Error down)
Reload the pro
g
ram and execute EEPROM
write operation a
g
ain.
Loop nestin
g
error Pro
g
ram
t
y
pe -
block No.
Address
in the
block
A FOR-NEXT loop is pro
g
rammed inside
other FOR-NEXT loop. (Error down)
Correct the pro
g
ram.
Memor
y
full The pro
g
ram exceeds the executable
memor
y
capacit
y
. (Error down)
Reduce the pro
g
ram steps.
No END/IRET error Pro
g
ram
t
y
pe -
block No.
Address
in the
block
The END instruction is not pro
g
rammed in
the main pro
g
ram or in the sub-pro
g
ram.
(Error down)
Correct the pro
g
ram.
The IRET instruction is not pro
g
rammed in
the interrupt pro
g
ram. (Error down)
Correct the pro
g
ram.
No RET error Pro
g
ram
t
y
pe -
block No.
Address
in the
block
Sub-r No. The RET instruction is not pro
g
rammed in the
subroutine pro
g
ram. (Error down)
Correct the pro
g
ram.
No sub-r entr
y
Pro
g
ram
t
y
pe -
block No.
Address
in the
block
Sub-r No. The subroutine correspondin
g
to CALL
instruction is not pro
g
rammed. (Error down)
Correct the pro
g
ram.
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