Yaskawa i80M Maintenance Manual - Manual (Page 91)

4.2.3 ALARMS 0016,0017,0018,9016, 9017 AND 9018
ERROR)
Cause of Trouble
Alarm 0016
9016
(Communication
Error)
Alarm 0017
9017
Check Method Solution
Communication error of RS-232C
●
Check cable grounding.
(ex. too rich noise level)
After RS-232C interface stop code was output,
more than 10 characters were read.
I
( Overrun)
Alarm 0018 RS-232C interface line was erroneously selected.
●
Check the specifications of
9018 I
I
(Line Selection)
I
. .
●
Check parameters.
0017 and 9017 are online and offline codes,
respectively,
For example, online trans -
mission error is indicated by 0017 and offline
transmission error is indicated by 9017.
Soft key Soft key
N o t o u t p u t b y
Machine
BPS
Stop bit
Bit length
Parity check
Control code
RTS control
line
Detailed investigation
is required. (Contact
representative. )
Fig. 4.6 Interface Troubleshooting Flowchart