JUKI APW-895, Engineer'S Manual

Page: 204 / 213

– 199 –
Check the SDC board. Check whether the fuse, F1, blew. Replace the fuse. (F1: time lag fuse, 10 A)
Check whether DC power is short-circuited. Replace the SDC board. Part No.: 40032977 SDC board
Check the SDC board. Check whether the fuse, F2, blew. Replace the fuse. (F2: time lag fuse, 5 A)
Check whether DC+24 V is short-circuited. Replace the SDC board. Part No.: 40032977 SDC board
Check whether the ventilating hole of BOX is blocked by dust.
E905 Check whether the fan motor operates appropriately.
Check the SDC board wiring. If the wiring is in a disorder state, make it neat.
Communication disabled between
E915 the operation panel and main Check the connector, CN26, of the MAIN board. Replace the IP-310 operation panel. Part No.: 40052016
CPU
Communication disabled between Check the connectors, CN34 and CN14, of the MAIN board and SDC board,
the main CPU and main shaft CPU respectively.
Check the RS-232 cable.
Check the PC setting.
Check whether the ventilating hole of BOX is blocked by dust.
E918 Check whether the fan motor operates appropriately.
Check the MAIN board wiring. If the wiring is in a disorder state, make it neat.
E943 Error of EEP-ROM on the main CPU Check whether U11_EEPROM is correctly mounted. Replace the U11_EEPROM.
E984 Center knife motor error Check the center knife motor. Replace the motor. Part No.: HM002130000 Motor
Check whether the clamp foot moves smoothly without an abnormal load at
power-off.
Replace the clamp foot step-out detection sensor.
E985 Clamp foot motor step-out error Check the connector, CN66, of the upper INT board. Part No.: HD00057000A Sensor
Check whether the IN36 signal is transmitted and the sensor appropriately
functions.
Check whether dust is stacked between the sensors.
Clamp foot pulse motor origin Check the connector, CN77, of the upper INT board. Replace the clamp foot origin photosensor.
retrieval error Check whether the IN47 signal is transmitted and the sensor appropriately Part No.: HD00057000A Sensor
functions.
Check whether dust is stacked between the sensors. Check the connector,
Back tuck motor origin retrieval CN38, of the MAIN board. Back tuck motor origin photosensor.
error Check whether the IN94 signal is transmitted and the sensor appropriately Part No.: HD00057000A Sensor
functions.
Check whether dust is stacked between the sensors. Check the connector,
Corner knife pulse motor origin CN37, of the MAIN board. Replace the corner knife opening origin photosensor.
retrieval error Check whether the IN28 signal is transmitted and the sensor appropriately Part No.: HD00057000A Sensor
functions.
Error code Trouble Checking item Measures
E916
Replace the SDC board.
Part No.: 40032977 SDC board
Temperature error of heat sink
for servo control board
Replace the IP-310 operation panel. Part No.: 40052016
E903 Pulse motor power error
E904 Solenoid power source (24 V) error
Communication disabled between
the operation panel and personal
computer
Replace the MAIN board.
Part No.: 40025270 MAIN board
Replace the SDC board. Part No.: 40032977 SDC board
E917
Temperature error of heat sink for
the main board
E986
E987
E998