JUKI LBH-1790 Instruction Manual page 61

Error code
Abnormality of solenoid power
E904
When solenoid power of servo control p.c.b. fluctuates ±15% or more.
Abnormality of temperature of heat sink for servo control p.c.b.
E905
When temperature of heat sink of servo control p.c.b. is 85˚C or more.
Stitch width motor origin retrieval error
E907
When origin sensor signal is not inputted at the time of origin retrieval motion.
Y feed motor origin retrieval error
E908
When origin sensor signal is not inputted at the time of origin retrieval motion.
Needle thread trimmer motor origin retrieval error
E909
When origin sensor signal is not inputted at the time of origin retrieval motion.
Presser motor origin retrieval error
E910
When origin sensor signal is not inputted at the time of origin retrieval motion.
Bobbin thread trimmer motor origin retrieval error
E911
When origin sensor signal is not inputted at the time of origin retrieval motion.
Abnormality of communication between operation panel and
E915
main CPU
When abnormality occurs in communication.
Abnormality of communication between main CPU and main
E916
shaft CPU
When abnormality occurs in communication.
Abnormality of temperature of heat sink for main control p.c.b.
E918
When temperature of heat sink of main control p.c.b. is 85flC or more.
Defectiveness of EEP-ROM of main control p.c.b
E943
When data writing to EEP-ROM is not performed.
Defectiveness of writing to EEP-ROM of head relay p.c.b.
E946
When data writing to EEP-ROM is not performed.
When cloth cutting knife does not return
E999
• When cloth cutting knife does not return after the lapse of predetermined
time.
• When sensor is not turned ON while cloth cutting knife is raising (at the
time of waiting).
Description
56
How to recover Place of recovery
Turn OFF the power.
Turn OFF the power
Turn OFF the power.
Turn OFF the power
Turn OFF the power.
Turn OFF the power
Turn OFF the power.
Turn OFF the power
Turn OFF the power.
Turn OFF the power
Turn OFF the power.
Turn OFF the power
Turn OFF the power