Condition
States
Display
TROUBLE SHOOTING
r
DIR NG
This error is displayed if there is no response from the
DIR.
L1
DIR
L2
ERROR
L3
01
• Check the DIR (IC202, DIGITAL PCB)
and surrounding circuits.
t
DSP
#
NG
(
#
: 1/2/3/4)
The DSP FLAG0 port does not enter "
Hi
" status while
booting a DSP code even after resetting DSP.
L1
DSP#
L2
ERROR
L3
01
• Check the DSP (IC251/IC261/IC271/
IC281, DIGITAL PCB) and surrounding
circuits.
The DSP FLAG0 port does not enter "
Hi
" status before
issuing a DSP command.
L3
02
Setting WRITE to "
Lo
" does not set ACK to "
Hi
" during
DSP data reading.
L3
03
Setting REQ to "
Lo
" does not set ACK to "
Lo
" during
DSP data reading.
L3
04
Setting WRITE to "
Hi
" does not set ACK to "
Hi
" during
DSP data writing.
L3
05
Setting REQ to "
Lo
" does not set ACK to "
Lo
" during
DSP data writing.
L3
06
y
EEPROM NG
An error occurred in a checksum of the EEPROM(*** is
a block address number).
L1
BACKUP
L2
ERROR
L3
***
135
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating