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Revised 10/2004
S-4000 LT
2-7
TROUBLESHOOTING
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
SYMPTOM
POSSIBLE CAUSE
PROBABLE SOLUTION
4. E L E C T R I C A L F A U LT S
No power supply
Fuse F1 failure — T2A
Power switch QS1 damaged
Power GS1 failure
The supply voltage is above
255 V - relay VC1 installed
Relay VC1 failure
Cable from the display
disconnected
Display or its control damaged
FA1 circuit breaker switched off
Contactor KM1 damaged
Servo U1 error or filter Z2 error
Error in sewing motor circuit
When switch
in position
I
,
neither the work light,
display or the cooling fan
operate
When switch
in position
I
,
display does not operate
When sewing operation started,
motor does not operate.
Contactor KM1 switched on.
Check main power supply or
voltage in the socket
Replace fuse PN 12.0008.4.665
Replace the switch 12.0008.4.835
Replace the power 12.0008.4.568
Call electroengineer in the plant
Replace the relay 12.0008.4.690
Check the display connection
Replace display PN
24.8001.0.005 or control unit PLC
24.8001.0.001, call AMF Reece
Service
Switch the circuit breaker on
Replace contactor 12.0008.4.833
Call AMF Reece service or
replace servo U1 24.8001.0.004
or filter Z2 12.0008.4.774
Switch the machine off for 1
minute, or restart it, alternatively
call AMF Reece service