13
Trouble Shooting When Alarm is not Displayed
13-4
The message
“Controller <->
Pendant Connection
Failed” is displayed.
All the
LEDs ON
(‘8’+’.’ ON)
One or
more
LEDs
(LED1/
LED2) of
YCP21
are OFF
or
flashing.
YCP21
circuit board
is out of
order or
malfunctions
.
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 optional
circuit board
or YCP02
circuit board
inserted into
the PCI slot
of CPU rack
is out of
order or
malfunctions.
Optional
circuit board
or YCP02
circuit board
failure
-Turn the power OFF then back ON.
-If the error occurs again, remove the
optional circuit board or YCP02 circuit
board installed in the CPU rack and
reinstall them.
-If the error occurs again though reinstall
them, replace the optional circuit board
or YCP02 circuit board installed in CPU
rack.
The CPU
rack
(backboard)
is out of
order.
CPU rack
failure
-Turn the power OFF then back ON.
-If the error occurs again, replace the
CPU rack(backboard). (refer to *10)
Both
LEDs
(LED1/
LED2) of
YCP21
are ON.
The YCP21
malfunctions.
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 system
program
cannot be
read properly
from the CF
card in the
YCP21 circuit
board.
CF card
(inserted into
YCP21 circuit
board) failure
-Turn the power OFF then back ON.
-If the error occurs again, remove the CF
card from the YCP21 circuit board and
reinstall it.
-If the error occurs again though reinstall
them, replace the CF card of YCP21
circuit board. (refer to *8)
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 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
