JUKI AMB-289, Engineer'S Manual

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19. E908 (Y feed motor origin 19-1) Origin sensor signal is not 1-A) Y feed motor fails to properly Check Y feed.
retrieval error) is displayed. inputted at the time of Y feed work.
motor origin retrieval motion.
1-B) Signal from Y feed motor Check connection or breaking of wire of Y feed origin
origin sensor does not come. sensor asm. and MAIN-INT cord C asm.
1-C) Y feed origin sensor is broken. Replace the Y feed origin sensor.
1-D) MAIN p.c.b. is broken down. Replace MAIN p.c.b.
20. E910 (Presser motor origin 20-1) Origin sensor signal is not 1-A) Presser motor fails to Check the presser.
retrieval error) is displayed. inputted at the time of presser properly work.
motor origin retrieval motion.
1-B) Signal from presser motor Check connection or breaking of wire of presser origin
origin sensor does not come. sensor asm. and MAIN-INT cord C asm.
1-C) Presser origin sensor is Replace the presser origin sensor.
broken.
1-D) MAIN p.c.b. is broken down. Replace MAIN p.c.b.
21. E918 (Abnormality of heat 21-1) Temperature of heat sink for 1-A) Fan in the inside of box is not Check the connection of fan or the fan.
sink temperature for MAIN MAIN p.c.b. has become rotating.
p.c.b.) is displayed. more than 85
°
C.
1-B) Ventilator of control box is Clean the ventilator of control box.
clogged.
1-C) MAIN p.c.b. is broken down. Replace MAIN p.c.b.
22. E923 (Abnormality of VCM 22-1) VCM temperature sensor 1-A) VCM temperature has risen Check setting of VCM.
temperature) is displayed. detected that VCM to 70 ° C or more.
temperature is more than
70
°
C. 1-B) MAIN p.c.b. is broken down. Replace MAIN p.c.b.
Trouble Cause (1) Cause (2) Inspecting order and adjusting procedure