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Basic Hardware and Function
301
10. Troubleshooting
Error messa
g
e and related information Special Meanin
g
and countermeasures
Event Info 1 Info 2 Info 3 device
Batt volta
g
e drop S00F In the power-up initialization, data invalidit
y
of
RAM (back-up area) has been detected.
If retentive re
g
isters are used, these validit
y
are not
g
uaranteed. (No error down)
Boundar
y
error Pro
g
ram
t
y
pe -
Address
in the
FUN No. The re
g
ister of index modification is other
than RW, T, C and D. (Error down)
block No. block S064 The re
g
ister desi
g
nated b
y
index modification
has exceeded the allowable ran
g
e. That is,
out of RW, T, C and D.
(No error down)
Check the value of the index re
g
ister.
Clock-calendar error S00A The data of built-in calendar LSI is ille
g
al.
(No error down)
Set the date and time. (T1S onl
y
)
Duplicate entr
y
No. Pro
g
ram
t
y
pe -
block No.
Address
in the
block
Entr
y
No. Multiple SUBR instructions which have the
same subroutine number are pro
g
rammed.
(Error down)
Check the pro
g
ram.
EEPROM BCC error Ille
g
al
BCC
S004
S013
BCC error has been detected in the user
pro
g
ram of the EEPROM. (Error down)
Reload the pro
g
ram and execute EEPROM
write operation a
g
ain.
EEPROM warnin
g
Number
of excess
writin
g
S007 The number of times of writin
g
into EEPROM
has exceeded the life (100,000 times). (No
error down)
Replace the unit because the data reliabilit
y
of the EEPROM will decrease.
I/O bus error Unit No. Data S005
S020
An abnormalit
y
has been detected in I/O bus
checkin
g
. (Error down)
Check the expansion cable connection and
I/O module mountin
g
status.
I/O mismatch Unit No. -
slot No.
Re
g
ister
No.
S005
S021
The I/O allocation information and the actual
I/O confi
g
uration are not identical.
(Error down)
Check the I/O allocation and the option card
mountin
g
status.
I/O no answer Unit No. -
slot No.
Re
g
ister
No.
S005
S022
No response from the T2 I/O module has
been received. (Error down)
Check the I/O allocation, the expansion cable
connection and the T2 I/O module mountin
g
status.
I/O parit
y
error Unit No. -
slot No.
Re
g
ister
No.
S005
S023
I/O bus parit
y
error has been detected in data
read/write for T2 I/O modules. (Error down)
Check the expansion cable connection and
the T2 I/O module mountin
g
status.
Ille
g
al I/O re
g
Unit No. -
slot No.
Re
g
ister
No.
S005
S021
The allocated I/O re
g
ister address exceeds
the limit, 32 words. (Error down)
Check the I/O allocation.
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: info@ctiautomation.net