YASKAWA Motoman UP6 Instructions Manual page 408

10.3 Alarm Message List
Alarm Message
Number
1308 OVER SPEED
Robot/Station
[Axis Data]
Alarm Message List
Cause
The motor speed displayed by axis data
exceeded allowable max speed.
• The wiring of UVW wire of motor was not
correct.
• The type of motor was not correct.
• The motor was moved by external power.
• Defective WRCA01, WRCF01 circuit board
• Defective motor (encoder)
10-18
Remedy
• Check the connection of motor.
• Check the robot motion on alarm and
check whether external power is oper-
ated or not.
• Check the connection of UVW wire of
motor again. If the error is found, alter
the connection.
• Check the reoccurrence by reducing the
teaching speed on alarm.There is a pos-
sibility that R,B,T axis move at a fast
speed on liner interpolation according to
teaching position. In this case, alter the
teaching.
<Error in robot axis>
Check that the type of motor is same as
the one described in the manual. If the
type is not correct, replace it with the cor-
rect motor.
<Error in external axis>
Check that the type of motor set by sys-
tem configuration is same as actual
installed one. If the set data by syste
configuration is correct, replace installed
motor with correct one. If set data by sys-
tem configuration is not correct, set the
correct system configuration.
• If the erro occurs again, replace WRC01
and/or WRCF01 circuit board.