YASKAWA YRC1000 Instructions Manual page 74

Alarm Alarm Sub
No. Name Code
4277 MOTOWELD 790
OUTSIDE OF
CURR.SETTI
NG(H)
4278 MOTOWELD 791
OUTSIDE OF
CURR.SETTI-
NG(L)
4279 MOTOWELD 108
MOMENTARY
OVER-CURR
4280 MOTOWELD 109
OVER-
VOLTAGE
4281 MOTOWELD 704
+15V POWER
SUPPLY
ERROR
4282 MOTOWELD 705
POWER
SUPPLY
ERROR
6 Alarm and Error
6.1 Alarm
Meaning
Sub Code: MOTOWELD's Err Code.
Sub Code: MOTOWELD's Err Code.
Sub Code: MOTOWELD's Err Code.
Sub Code: MOTOWELD's Err Code.
Sub Code: MOTOWELD's Err Code.
Sub Code: MOTOWELD's Err Code.
6-20
Remedy
(1)Check if the selection of motor is
correct, or confirm the settings of C
parameter C09.
(2)Check that the welding wire does
not slip, or the wire is fed as
instructed by the feeding command.
(3)Check that the wire stick out is not
excessively short or long.
(4)Check that the range set in C
parameter C29 is not too narrow.
(5)Check if the wire, shielding, etc.
are correctly set.
(1)Check if the selection of motor is
correct, or confirm the settings of C
parameter C09.
(2)Check that the welding wire does
not slip, or the wire is fed as
instructed by the feeding command.
(3)Check that the wire stick out is not
excessively short or long.
(4)Check that the range set in C
parameter C29 is not too narrow.
(5)Check if the wire, shielding, etc.
are correctly set.
(1)Check that short-circuit or the
earth grounded of the output cable.
(2)May be power circuit broken.
Contact your YASKAWA
representative.
Contact your YASKAWA
representative.
The use of MOTOWELD-RP500:
Replace the switching power supply
unit (Service parts
code:35015612200) or the Main
board (Service parts
code:AJ0RP3024). Or, please
change two of them.
The use of MOTOWELD-RL350:
Replace the Interface board (Service
parts code: UNIT-Pr (IF)-008B) or
the Main board (Service parts code:
UNIT-Pr (MB)-030). Or, please
change two of them.
The use of MOTOWELD-RP500:
Replace the switching power supply
unit (Service parts
code:35015612200) or the Main
board (Service parts
code:AJ0RP3024). Or, please
change two of them.
The use of MOTOWELD-RL350:
Replace the Interface board (Service
parts code: UNIT-Pr (IF)-008B) or
the Main board (Service parts code:
UNIT-Pr (MB)-030). Or, please
change two of them.
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