TROUBLESHOOTING
SERVICE MANUAL – QL Servo S3-T
10. TROUBLESHOOTING
Errors detected by the PLC will be displayed on the HMI screen.
ALARMS
A.
Text alarm
Description
Solutions
01 Safety Line open! The lathe or the bar feeder goes
into an emergency stop
condition.
The problem is generated
anytime the safety line opened.
Check the states of the emergency stop buttons of
barfeed and lathe.
Check the wiring according to the
Electrical drawings.
Check the PLC connection.
02 Main access
cover open !
The PLC does not detect the
input (I2 – SQ10) of the safety
switch on the main access
cover.
The problem is generated when
the main access cover on the
bar feeder is open, exposing
automated mechanical parts.
Close the main access cover.
Check the switch SQ10.
03 Magazine
protection grid
open !
The PLC does not detect the
input (I3 – SQ11) of the safety
switch on the protection grid.
The problem is generated when
the protection grid on the bar
feeder is open, exposing
automated mechanical parts.
Close the protection grid cover.
Check the switch SQ11.
04 Bar feeder not in
working position !
The PLC does not detect the
input (I4 – SQ12) of the safety
switch on the retraction system.
The problem is generated
when the barfeeder has not
been brought into working
position
Check the barfeeder position.
Check the switch SQ12.
06 Air pressure to
low !
The PLC does not detect input
(I1 – SP1).
The problem is generated
anytime air pressure is not
sufficient, below 3 bar or 45 psi,
to make the air pressure switch.
Check the air pressure (min. 3 bar, max. 6 bar).
Set up the air pressure switch SP1.
Replace the air pressure switch SP1.
10 Failure on switch
SQ1 !
The PLC does not detect input
(I8 – SQ1).
Check the switch SQ1.
Summary of Contents for QUICK LOAD SERVO S3 T BARFEED
Page 2: ...GENERAL SERVICE MANUAL QL Servo S3 T ...
Page 6: ...GENERAL SERVICE MANUAL QL Servo S3 T ...
Page 42: ...MECHANICAL EQUIPMENT SERVICE MANUAL QL Servo S3 T ...
Page 46: ...PNEUMATIC EQUIPMENT SERVICE MANUAL QL Servo S3 T ...
Page 64: ...ELECTRICAL EQUIPMENT SERVICE MANUAL QL Servo S3 T ...
Page 96: ...TECHNICAL CHARACTERISTICS SERVICE MANUAL QL Servo S3 T ...
Page 98: ...DISPOSAL SERVICE MANUAL QL Servo S3 T ...
Page 103: ...TROUBLESHOOTING SERVICE MANUAL QL Servo S3 T SEQUENCE DIAGRAM ...
Page 104: ...TROUBLESHOOTING SERVICE MANUAL QL Servo S3 T SEQUENCE LISTING ...
Page 105: ...TROUBLESHOOTING SERVICE MANUAL QL Servo S3 T ...
Page 122: ...APPENDICES 121 SERVICE MANUAL QL Servo S3 T WIRING DIAGRAM 021 40 620F CE MRJ 4 ...
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