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13
Trouble Shooting When Alarm is not Displayed
13-5
‘0’ or ‘1’
The 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 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, replace the CF
card of YCP21 circuit board. After
replacing the card, 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 *8)
The specified data
cannot be read
properly from the CF
card in the YCP21
circuit board or an
invalid value is
specified.
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, replace the CF
card of YCP21 circuit board. After
replacing the card, 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 *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 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)
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)
Screen status of
programming
pendant
7SEG
LED for
robot I/F
circuit
board
(YIF)
Assumed status
Cause
Remedy