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S-4000 LT
e-mail: [email protected]; [email protected]; website: www.amfreece.com
Phones: +420 582 309 146 (Service), +420 582 309 286 (Spare Parts); Fax: +420 582 360 606
Revised 10/2004
2-8
TROUBLESHOOTING
SYMPTOM
POSSIBLE CAUSE
PROBABLE SOLUTION
When sewing operation started,
motor fails to operate.
Contactor KM1 switched off.
The needle does not stop in the
upper position
When sewing operation started,
air valves do no operate. The
air pressure correct.
Make sure the machine is ready
for operation
Contactor KM1 damaged
Check the Emergency Stop
button
Control unit PLC error
Position of the sensor BQ1
incorrectly adjusted
Sensor BQ1 failure
Check the servo amplifier and
servo
Fork is not fitted properly into
connector X3
Contactor KM1 damaged
Control unit PLC error
Optical sensor position is
wrongly adjusted BQ5
Defective the senzor BQ5
Press key F6 - see D1, point 6
Replace contactor 12.0008.4.833
Replace button 12.0008.4.563
Replace the control unit PLC
24.8001.0.001
Adjust according to section E17
Replace the sensor
24.0069.9.006
To set the servo amplifier - call
AMF Reece service, alternatively
replace motor 24.0059.9.064 and
servo amplifier 24.8001.0.004
Check the connector X3
connection
Replace the contactor
12.0008.4.833
Replace the control unit
24.8001.0.001
Adjust
(See page 1-47)
Replace the sensor 24.0069.9.037
The LED dioda of optical sensor
is not lighted BQ5