2WA/2NJ/2RK
7-510
U01020/E01020
U01021/E01021
U01022/E01022
Step Check description Assumed cause Measures Reference
1 Resending Command send retrial
times exceeds since signif-
icant signal is not received
after sending CTC signal.
(ECM)
Resend.
2 Checking the transmit start
speed
Line condition is poor.
(Destination unit)
Execute U630 [TX Speed] to
reduce the transmit start
speed. Then, resend the
data.
U630 Exe-
cution
3 Changing the initial value Line condition is poor.
(Own machine)
Change the default value of
the transmit start speed by
executing U630 [TX Speed].
U630 Exe-
cution
Step Check description Assumed cause Measures Reference
1 Resending Command send retrial
times exceeds since signif-
icant signal is not received
after sending EOR•Q sig-
nal. (ECM)
Resend.
2 Checking the transmit start
speed
Line condition is poor.
(Destination unit)
Execute U630 [TX Speed] to
reduce the transmit start
speed. Then, resend the
data.
U630 Exe-
cution
3 Changing the initial value Line condition is poor.
(Own machine)
Change the default value of
the transmit start speed by
executing U630 [TX Speed].
U630 Exe-
cution
Step Check description Assumed cause Measures Reference
1 Resending Command send retrial
times exceeds since signif-
icant signal is not received
after sending RR signal.
(ECM)
Resend.
2 Checking the transmit start
speed
Line condition is poor.
(Destination unit)
Execute U630 [TX Speed] to
reduce the transmit start
speed. Then, resend the
data.
U630 Exe-
cution
3 Changing the initial value Line condition is poor.
(Own machine)
Change the default value of
the transmit start speed by
executing U630 [TX Speed].
U630 Exe-
cution