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Error code
Display
E303
E305
E396
E397
E398
E399
Description of error
Z phase detection error
Detection of upper dead
point of the sewing
machine cannot be
performed.
Thread clamp position
error
Thread clamp unit is not
in the regular position.
Shorter-thread remain-
ing type thread trimmer
cylinder error
The shorter-thread re-
maining thread trimmer
cylinder fails to operate.
Suction nozzle cylinder
error
The suction nozzle cylin-
der fails to operate.
Shorter-thread remain-
ing type thread trimmer
cylinder sensor error
The shorter-thread re-
maining type thread trim-
mer cylinder sensor fails
to detec
Suction nozzle cylinder
sensor error
The suction nozzle cylin-
der sensor fails to detect.
– 76 –
Display message
How to recover
Turn OFF the
power.
Turn OFF the
power.
T u r n O F F t h e
p o w e r s w i t c h .
Check whether
the air pressure
is adequate and
w h e t h e r t h e
shorter-thread
remaining thread
trimming cylin-
der sensor and
MAIN PCB CN53
have loosened
or fallen off.
T u r n O F F t h e
p o w e r s w i t c h .
Check whether
the air pressure
is adequate and
whether the suc-
tion nozzle cylin-
der sensor and
MAIN PCB CN54
have loosened or
fallen off.
T u r n O F F t h e
p o w e r s w i t c h .
Check whether
the air pressure
is adequate and
w h e t h e r t h e
shorter-thread
remaining thread
trimming cylin-
der sensor and
MAIN PCB CN53
have loosened
or fallen off.
T u r n O F F t h e
p o w e r s w i t c h .
Check whether
the air pressure
is adequate and
whether the suc-
tion nozzle cylin-
der sensor and
MAIN PCB CN54
have loosened or
fallen off.
Place of
recovery
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