YASKAWA DX200 - Page 199

13 Trouble Shooting When Alarm is not Displayed
13-6
‘P’ A communication error
has occurred between
the YCP21 circuit
board and the
programming pendant.
Cable
failure
-Turn the power OFF then back ON.
-Check the connection and insertion
status of the following cables and
connectors.
(1)The looseness of the programming
pendant connector and confirmation
by touch.
(2)The cable between the YCP21 circuit
board(CN105) and the programming
pendant
(3)The Ethernet cable of YCP21 circuit
board(CN105)
(4)The connector of YCP21 circuit
board(CN105)
The programming
pendant is out of order
or malfunctions.
Programming
pendant
failure
-Turn the power OFF then back ON.
-If the error occurs again, replace the
programming pendant.
The communication IC
of YCP21 circuit board
or its peripheral circuit
is out of order.
YCP21
circuit board
failure
-Turn the power OFF then back ON.
-If the error occurs again, remove all the
circuit boards installed in the CPU rack
and reinstall them.
-If the error occurs again though reinstall
them, replace the YCP21 circuit board.
After replacing the board, remove the CF
card inserted into the old YCP21 circuit
board and insert it into the new YCP21
circuit board. (refer to *2)
The robot I/F circuit
board(YIF) is out of
order or malfunctions.
YIF circuit
board
failure
-Turn the power OFF then back ON.
-If the error occurs again, remove all the
circuit boards installed in the CPU rack
and reinstall them.
- If the error occurs again though reinstall
them, replace the YIF circuit board. After
replacing the board, load the CMOS.BIN
file saved before the error occurs or the
CMOSBK.BIN file saved in the automatic
backup function in the maintenance
mode. (refer to *4)
Screen status of
programming
pendant
7SEG
LED for
robot I/F
circuit
board
(YIF)
Assumed status Cause Remedy