Kawasaki D Series Controller MPVDCONTV113E-3 - Manual (Page 75)

TROUBLESHOOTING
D SERIES CONTROLLER
TROUBLESHOOTING AND COMPONENT REPLACEMENT
1-72 August 9, 2005
Ka a a w s k
ERROR CODE E1027 Safety circuit was cut OFF.
The safety gate branch of the safety circuit is open due to a missing safety plug or
defective circuit.
⇒
Reinsert the safety plug.
⇒
Repair open circuit.
_____________________________________________________________________
ERROR CODE E1028 Jt XX Motor overload.
The current feedback from the power block exceeded maximum continuous ratings
longer than the time allowed.
Motors IPM
Current
sensor
1GM board
I/V
converter
Servo
CPU
1KB board
Power block
Current
feedback
U, V, W earth
Robot
Time
Motor current
Overload Curve
Continuous
current rating
ABNORMAL
Main causes include:
Mechanical-
1. The robot arm has contacted an external item hindering movement.
2. The harness is caught in the robot arm.
3. The cyclo reduction unit, the gear, or the bearing(s) are damaged.
4. Gear cyclo reduction unit backlash is too narrow.
5. Payload weight exceeds robot specifications for capacity.
6. Robot motion pattern exceeds ratings of the motor.
7. Motor brake is not released.
Electrical-
1. Motor power line U, V, and W phase are disconnected.
2. The brake line is disconnected or brake drive circuit is damaged.
3. The power block is damaged.
4. Defect in the 1KQ/1NR board.
5. Defect in the 1KB servo board.