JUKI LBH-1790 Instruction Manual page 57

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 orgn sensor sgnal s not nputted at the tme of orgn retreval moton.
Y feed motor origin retrieval error
E908
When orgn sensor sgnal s not nputted at the tme of orgn retreval moton.
Needle thread trimmer motor origin retrieval error
E909
When orgn sensor sgnal s not nputted at the tme of orgn retreval moton.
Presser motor origin retrieval error
E90
When orgn sensor sgnal s not nputted at the tme of orgn retreval moton.
Bobbin thread trimmer motor origin retrieval error
E9
When orgn sensor sgnal s not nputted at the tme of orgn retreval moton.
Abnormality of communication between operation panel
E95
and main CPU
When abnormalty occurs n communcaton.
Abnormality of communication between main CPU and
E96
main shaft CPU
When abnormalty occurs n communcaton.
Abnormality of temperature of heat sink for main control p.c.b.
E98
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 wrtng to EEP-ROM s not performed.
Defectiveness of writing to EEP-ROM of head relay p.c.b.
E946
When data wrtng to EEP-ROM s not performed.
When cloth cutting knife does not return
E999
• When cloth cuttng knfe does not return after the lapse of
predetermned tme.
• When sensor s not turned ON whle cloth cuttng knfe s rasng (at
the tme of watng).
Descrpton
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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